人教版初中九年级数学上册公式法解一元二次方程综合练习题30.docx
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人教版初中九年级数学上册公式法解一元二次方程综合练习题30.docx
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人教版初中九年级数学上册公式法解一元二次方程综合练习题30
x2+8x-6=04x2-2
x-6=0
4x2-8x-10=0x2+4x=7
4x2+9x=x+3x2+6x+7=0
3x2-3x-9=06x2+10x=0
x2-8x+2=6x+9x(3x+1)=8+9x
x2+6x+5=04x2-3
x+3=0
3x2+4x-4=0x2+5x=20
3x2+7x=x-7x2+10x+2=0
2x2-7x+2=06x2-9x=0
x2-5x-6=6x+3x(4x+5)=3+5x
x2-5x-6=04x2+3
x+9=0
4x2+7x-3=0x2+6x=14
2x2-6x=x+2x2-8x-6=0
4x2-7x+5=05x2+3x=0
x2+8x-5=9x+4x(4x-2)=9+8x
x2+5x-7=04x2-3
x-9=0
2x2-5x-1=0x2+4x=16
3x2+10x=x-7x2-7x+7=0
2x2-3x-7=03x2-7x=0
x2-7x-3=2x+6x(4x+2)=4+6x
x2+9x-2=04x2+3
x-9=0
2x2-10x-1=0x2-4x=5
4x2-2x=x+5x2-3x-10=0
4x2+9x+9=06x2-2x=0
x2+7x+1=8x-7x(4x+1)=3-4x
x2-6x+6=04x2+3
x+4=0
4x2+8x+6=0x2-10x=8
2x2+7x=x-7x2-7x-10=0
4x2+4x+5=07x2+7x=0
x2+9x-4=2x+5x(2x+3)=2+2x
x2+2x-5=03x2-3
x+4=0
2x2+8x-6=0x2+9x=10
4x2+3x=x-2x2-8x+1=0
3x2-10x-6=06x2-9x=0
x2+4x+4=2x-6x(3x+5)=6-9x
x2-5x+1=03x2+4
x-10=0
3x2-4x-3=0x2-6x=18
3x2+2x=x-6x2+10x-5=0
3x2-2x+5=09x2+4x=0
x2-6x+1=7x-7x(4x+3)=7+3x
x2+3x+6=02x2+3
x+4=0
2x2-2x+10=0x2-9x=13
4x2+6x=x+4x2+6x-4=0
3x2+6x-7=09x2+10x=0
x2-9x-1=7x+10x(3x-1)=8-2x
x2+7x+9=02x2-3
x+4=0
4x2-8x+1=0x2+6x=7
4x2-9x=x-3x2+3x-6=0
4x2-6x+10=08x2+8x=0
x2+8x+10=4x+10x(4x+5)=7-5x
x2-10x+2=03x2+4
x+7=0
4x2-6x-9=0x2+5x=8
3x2+6x=x+7x2-7x+4=0
2x2+10x-5=09x2+4x=0
x2-7x-10=3x+6x(3x-4)=5-9x
x2-10x+6=02x2+4
x+1=0
2x2-10x-2=0x2-3x=13
2x2-3x=x+6x2+9x-10=0
4x2-9x+9=08x2+10x=0
x2+2x+5=6x+6x(2x-1)=3+4x
x2+5x+4=02x2-4
x-4=0
4x2+7x+3=0x2+5x=5
2x2+10x=x+8x2+2x-1=0
4x2+9x+5=02x2+8x=0
x2-5x-4=4x-2x(3x+5)=7+5x
x2+5x-6=04x2-3
x+5=0
2x2+3x-9=0x2-6x=16
4x2+10x=x-1x2+7x+4=0
2x2-7x-10=06x2+5x=0
x2-5x-4=6x-5x(4x+5)=8+6x
x2-6x+6=03x2-2
x-8=0
3x2+8x+3=0x2+7x=19
2x2-3x=x-10x2+5x-6=0
2x2-6x-2=02x2-2x=0
x2+3x-3=6x+3x(2x-3)=7-9x
x2-8x+5=03x2+4
x+9=0
3x2-4x-1=0x2+3x=4
2x2+4x=x-2x2+7x-4=0
2x2-8x+7=05x2+4x=0
x2+9x+7=4x+6x(3x-1)=2-4x
x2+9x+10=02x2-2
x+7=0
4x2+2x+8=0x2+7x=2
3x2+2x=x+7x2+2x+8=0
3x2-9x+10=07x2-3x=0
x2-5x+8=7x+10x(4x+2)=3+4x
x2+7x+8=02x2+4
x+2=0
4x2+7x+9=0x2+6x=17
4x2+3x=x-9x2+7x+1=0
4x2-10x+5=06x2+7x=0
x2-3x-6=5x+7x(3x-3)=1+6x
x2+8x-3=04x2-3
x-3=0
2x2-10x-1=0x2+9x=16
2x2-5x=x-4x2-4x-6=0
3x2+3x+1=09x2-8x=0
x2+10x+3=5x-1x(2x+5)=1-5x
x2+3x+5=04x2-4
x+2=0
3x2-5x-6=0x2+8x=17
4x2+2x=x+10x2+10x+1=0
2x2-5x+6=06x2-7x=0
x2+7x-10=5x-2x(4x-3)=3+6x
x2+9x-8=02x2-4
x+4=0
2x2+3x+2=0x2+4x=16
4x2+2x=x+4x2+10x+5=0
3x2+5x+1=08x2-9x=0
x2-7x-3=7x-8x(4x+2)=9+8x
x2+9x+5=03x2+4
x+5=0
4x2+5x-3=0x2-8x=6
2x2-4x=x-10x2-6x+1=0
2x2-10x-5=04x2-9x=0
x2+8x+5=3x+3x(3x-1)=3+3x
x2+2x-3=03x2+4
x+2=0
4x2-9x+6=0x2-9x=19
2x2-6x=x+10x2+4x+8=0
2x2+5x-2=06x2-7x=0
x2+3x-3=5x+9x(2x-2)=6+7x
x2-8x+10=03x2-4
x+10=0
4x2-9x+6=0x2+5x=4
2x2-9x=x+8x2+7x+9=0
2x2-8x-2=08x2+9x=0
x2+4x-2=6x-9x(3x+3)=2-3x
x2+2x+10=03x2-2
x+2=0
4x2-3x+2=0x2+9x=18
3x2-8x=x-5x2+4x+2=0
3x2+3x+6=08x2-6x=0
x2+7x+7=5x+2x(4x-4)=2-3x
x2-8x-8=02x2+3
x+5=0
3x2+10x-10=0x2+9x=15
2x2+10x=x+3x2+3x-4=0
4x2-2x+8=03x2+4x=0
x2+9x-5=4x-1x(4x+3)=7-5x
x2-9x+10=03x2+2
x-7=0
2x2-10x-5=0x2+3x=16
2x2+8x=x+10x2+4x+2=0
3x2+9x-8=09x2+8x=0
x2+8x+4=3x+9x(3x+2)=2+6x
x2+10x-9=04x2+2
x-5=0
3x2+7x+8=0x2+10x=12
4x2+2x=x+2x2+9x-5=0
3x2+10x+10=02x2-8x=0
x2-9x+10=4x-2x(2x+2)=4+5x
x2-4x-8=03x2+3
x-5=0
3x2-6x+4=0x2-9x=10
2x2-7x=x+4x2-9x+8=0
2x2+5x+7=08x2-6x=0
x2-4x-5=2x+8x(3x-5)=5+7x
x2+3x-5=02x2-4
x+8=0
3x2+6x-7=0x2-10x=18
3x2+5x=x+3x2+2x+6=0
2x2-6x-7=04x2+5x=0
x2-8x-3=7x-2x(3x-5)=8-2x
x2-9x+1=03x2-3
x-3=0
4x2+2x-9=0x2+2x=7
3x2+9x=x-2x2-9x-8=0
3x2-5x+9=08x2-9x=0
x2+7x-6=4x-9x(2x+1)=6-8x
x2-8x+10=03x2-3
x-5=0
2x2-6x+10=0x2-4x=9
2x2-2x=x-3x2+2x-7=0
4x2-6x+5=09x2-9x=0
x2+8x+6=8x-8x(2x+5)=9-9x
x2-7x+5=02x2-2
x+2=0
4x2-7x+4=0x2-3x=2
4x2+8x=x+9x2+7x+9=0
3x2-8x+9=09x2-7x=0
x2+2x-4=2x-8x(4x+3)=7+8x
x2-10x+9=02x2+4
x-4=0
3x2+7x-8=0x2-2x=10
2x2+9x=x+3x2+4x-7=0
2x2-4x-10=05x2+10x=0
x2-7x+2=9x+1x(4x-5)=6-8x
x2+5x+3=02x2+2
x-1=0
3x2+3x-6=0x2-8x=12
3x2+5x=x+2x2+5x-1=0
4x2+6x+6=05x2+5x=0
x2-3x-6=2x-2x(3x+3)=4-6x
x2+10x+10=02x2+
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