人教版初中九年级数学上册一元二次方程综合练习题40Word文档下载推荐.docx

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人教版初中九年级数学上册一元二次方程综合练习题40Word文档下载推荐.docx

x2-4=0x2-7=3(x+8)2-3=0

(x-5)2-6=0x2+10x+25=6x2+1=6

9x2+6=3xx2-3x=83(7x+5)(x-2)=0

x(x+9)=97x(x+7)=05x(x-3)=6x-3

(2x-8)(x+8)=x(9x-4)x2-6=5x8x(x+3)=2

x2-4=0x2-8=6(x+6)2-1=0

(x+4)2-4=0x2-10x+25=3x2-2=3

x2-8=9xx2+6x=99(4x-3)(x+6)=0

x(x-1)=17x(x+2)=07x(x-1)=9x-6

(2x-8)(x+1)=x(3x-2)x2-8=7x8x(x-9)=29

x2-6=0x2-4=9(x+8)2-3=0

2(x-1)2-1=0x2-10x+25=69x2+3=7

8x2-6=2xx2+5x=36(7x-7)(x+7)=0

x(x+6)=5x(x+4)=07x(x-3)=9x+3

(8x+3)(x-7)=x(7x-1)9x2-9=4x4x(x-1)=4

x2-1=0x2-4=3(x-9)2-3=0

(x+2)2-6=0x2-14x+49=4x2+1=9

9x2+6=4x3x2+2x=89(6x+7)(x-9)=0

8x(x+9)=23x(x+7)=07x(x-7)=4x+5

(3x-3)(x+3)=x(9x-1)x2-9=3xx(x-9)=26

4x2-8=0x2-3=8(x-2)2-1=0

2(x-9)2-2=0x2-18x+81=3x2-7=5

7x2+2=8xx2-6x=36(9x+4)(x-4)=0

x(x+5)=26x(x-1)=0x(x-6)=7x+2

(7x-5)(x-4)=x(8x-7)4x2+5=9xx(x+2)=16

x2-3=0x2-6=7(x-9)2-3=0

4(x-7)2-2=0x2-10x+25=82x2-1=9

6x2+1=6xx2+3x=53(7x+3)(x-4)=0

x(x+7)=16x(x+7)=0x(x+7)=8x-4

(5x+6)(x+4)=x(3x-4)x2+7=9xx(x+7)=25

2x2-5=07x2-4=5(x+1)2-9=0

(x+7)2-4=0x2+10x+25=9x2-6=2

7x2-4=2xx2-6x=90(7x+3)(x-3)=0

x(x-2)=28x(x-9)=08x(x+3)=5x+4

(5x-4)(x-9)=x(7x+8)6x2-3=3xx(x+3)=11

4x2-3=0x2-3=7(x+5)2-8=0

(x+2)2-1=0x2-16x+64=34x2+9=9

x2+8=7x3x2+7x=63(4x-3)(x-6)=0

2x(x-1)=7x(x-2)=0x(x+1)=4x-5

(8x+4)(x-4)=x(7x+3)5x2-1=2x6x(x+4)=10

x2-2=02x2-7=1(x+8)2-1=0

(x+9)2-9=0x2-16x+64=5x2-4=3

8x2-1=9x4x2+3x=22(6x+8)(x+1)=0

5x(x-4)=154x(x-4)=02x(x-5)=9x+9

(5x-4)(x-5)=x(3x-6)x2-1=2xx(x+9)=12

x2-8=03x2-2=1(x-1)2-9=0

(x+8)2-8=0x2-16x+64=3x2-3=3

x2-2=3xx2+7x=84(5x+4)(x-8)=0

7x(x+5)=283x(x-7)=0x(x-7)=5x-9

(5x-8)(x-8)=x(9x-8)x2+3=7x8x(x+4)=16

3x2-5=06x2-2=1(x+4)2-7=0

(x+2)2-5=0x2-8x+16=7x2-3=7

9x2+6=6xx2+7x=74(4x-7)(x-7)=0

3x(x+2)=25x(x-1)=04x(x+4)=9x-6

(8x-1)(x+9)=x(5x-8)5x2-1=7xx(x-9)=23

x2-5=03x2-1=1(x-3)2-2=0

5(x-9)2-5=0x2-6x+9=9x2-5=5

x2-3=2xx2+5x=38(3x+6)(x-9)=0

5x(x-1)=18x(x-3)=0x(x+4)=9x-6

(6x+4)(x-6)=x(2x+8)7x2-6=9xx(x+2)=12

2x2-8=0x2-6=9(x+2)2-4=0

(x-4)2-7=0x2-4x+4=9x2-4=2

x2+4=2x8x2-7x=74(9x+7)(x-5)=0

x(x-1)=5x(x+9)=0x(x+6)=3x+5

(8x+9)(x+5)=x(2x-4)9x2-3=5x4x(x+8)=21

2x2-7=07x2-5=9(x-1)2-2=0

(x+6)2-1=0x2+6x+9=9x2-9=2

2x2+4=8x6x2-6x=80(4x-5)(x+2)=0

x(x-8)=275x(x+7)=03x(x-9)=3x+9

(5x-4)(x+6)=x(9x+8)9x2+8=9x3x(x-1)=8

x2-1=0x2-7=2(x-1)2-4=0

8(x+5)2-8=0x2-2x+1=4x2-4=2

x2-7=9xx2+7x=72(2x-7)(x-2)=0

x(x+7)=27x(x-5)=04x(x-7)=8x+3

(3x+9)(x-7)=x(8x+6)x2-8=9xx(x-7)=4

7x2-5=08x2-1=8(x+8)2-1=0

4(x+4)2-3=0x2+6x+9=12x2+5=8

4x2-3=9xx2-3x=46(5x+5)(x+8)=0

x(x-7)=16x(x+6)=0x(x-2)=3x-7

(6x+5)(x-8)=x(4x+3)4x2+3=3xx(x+5)=7

6x2-4=0x2-3=9(x-1)2-5=0

6(x-8)2-9=0x2+16x+64=52x2-8=3

x2-8=7xx2-9x=23(4x+4)(x+4)=0

9x(x+9)=104x(x+5)=0x(x+4)=3x+2

(3x-8)(x+4)=x(5x-3)x2+8=8xx(x-9)=28

9x2-4=06x2-4=2(x+4)2-8=0

8(x+5)2-1=0x2+4x+4=78x2-5=6

x2+3=7x8x2-9x=83(9x-6)(x-6)=0

7x(x+8)=225x(x-6)=02x(x-9)=7x-3

(4x+3)(x-4)=x(7x+3)4x2+5=4xx(x-5)=7

x2-1=08x2-7=8(x+1)2-3=0

(x-9)2-9=0x2+10x+25=82x2-4=5

x2+5=6x9x2-5x=50(4x+1)(x+7)=0

3x(x-2)=16x(x-4)=0x(x+2)=3x+2

(4x+6)(x-9)=x(3x+3)5x2-6=2x2x(x+3)=9

x2-8=04x2-3=5(x+9)2-1=0

2(x-8)2-2=0x2-4x+4=48x2-5=5

x2-2=7x8x2-5x=15(3x-4)(x-3)=0

6x(x+6)=23x(x+4)=04x(x+4)=4x-3

(8x+4)(x-4)=x(3x-3)x2-7=8xx(x+7)=14

9x2-6=0x2-9=7(x-4)2-2=0

2(x-6)2-7=0x2-16x+64=85x2+5=8

x2+9=8x5x2-4x=44(4x-8)(x+8)=0

4x(x+5)=6x(x+6)=0x(x-6)=6x+6

(8x-1)(x-3)=x(3x-2)6x2+1=7xx(x+4)=4

x2-6=0x2-9=1(x+6)2-3=0

4(x-7)2-7=0x2-16x+64=39x2+3=7

2x2-1=7xx2-9x=83(5x-8)(x+9)=0

x(x+9)=128x(x-7)=0x(x+8)=7x+6

(5x+1)(x+6)=x(6x-4)x2-6=4xx(x-4)=27

8x2-6=06x2-5=8(x-3)2-4=0

2(x-7)2-9=0x2+12x+36=95x2-7=9

7x2+5=4xx2+7x=93(3x-6)(x+4)=0

x(x+8)=24x(x+1)=02x(x-8)=4x+8

(8x+4)(x+4)=x(3x+9)7x2+1=8xx(x-7)=15

x2-9=04x2-9=2(x-3)2-6=0

(x+2)2-2=0x2+10x+25=4x2-9=5

3x2+2=4xx2+2x=19(6x-1)(x+2)=0

x(x+4)=289x(x+3)=07x(x+6)=6x+2

(9x-2)(x+7)=x(3x+9)x2-4=8xx(x-5)=24

x2-8=0x2-6=6(x-9)2-1=0

8(x-1)2-2=0x2-12x+36=36x2+8=7

6x2-3=6x4x2-6x=62(7x-1)(x-9)=0

4x(x-4)=18x(x+5)=06x(x+4)=3x-7

(7x+7)(x+4)=x(9x-4)4x2+3=8x6x(x+5)=14

x2-7=0x2-2=7(x+7)2-9=0

(x-9)2-3=0x2-14x+49=9x2-5=3

x2-1=2x6x2-2x=8(3x+7)(x-4)=0

6x(x+3)=26x(x+3)=0x(x-1)=5x+3

(8x-2)(x-9)=x(9x-8)x2+2=8xx(x+1)=26

x2-8=07x2-2=4(x-4)2-5=0

6(x+8)2-6=0x2-14x+49=5x2-1=4

5x2+9=7xx2+9x=21(6x-1)(x-8)=0

x(x-7)=164x(x-8)=0x(x-8)=4x+8

(6x+8)(x-4)=x(2x+9)4x2+6=2x5x(x-8)=9

8x2-7=0x2-6=6(x+3)2-5=0

8(x+5)2-3=0x2+18x+81=1x2-5=5

x2+7=6xx2+7x=50(3x-8)(x-9)=0

9x(x+3)=25x(x+8)=09x(x-4)=8x-5

(8x+3)(x+6)=x(8x-4)8x2-9=8x9x(x-9)=13

7x2-7=0x2-7=7(x+5)2-5=0

(x+4)2-3=0x2+16x+64=2x2-2=4

x2+9=2x9x2+4x=13(5x+4)(x-6)=0

x(x+6)=19x(x+3)=02x(x-4)=4x-8

(2x-3)(x+4)=x(4x-7)x2+2=9x5x(x-7)=14

3x2-5=08x2-6=6(x+4)2-3=0

2(x-3)2-6=0x2-2x+1=2x2+6=4

4x2+2=4xx2-5x=64(3x-8)(x+9)=0

8x(x+1)=21x(x-6)=0x(x-7)=2x-9

(7x-2)(x-7)=x(2x-8)9x2+7=3x6x(x-2)=4

x2-9=08x2-3=0(x+8)2-5=0

8(x-9)2-4=0x2-14x+49=4x2-6=3

5x2+7=9xx2-9x=75(2x+1)(x+3)=0

x(x+3)=46x(x+9)=0x(x+1)=2x+3

(3x+5)(x-9)=x(5x-9)x2+8=5xx(x+2)=9

5x2-2=08x2-7=6(x-5)2-7=0

9(x-9)2-7=0x2+2x+1=84x2+5=3

x2-5=9xx2+9x=26(8x+9)(

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