初中九年级数学上册因式分解法解一元二次方程综合练习题30.docx
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初中九年级数学上册因式分解法解一元二次方程综合练习题30
4x(2x-4)=8x-16
(3x+4)2=(9-x)2
5x2-7x=0
3x2+
x=0
x2-10x=-25
25x2-64=0
x(2x-2)=4x-4
(8x+3)2=(9+5x)2
x2+x=0
9x2-
x=0
x2-4x=-4
4x2-36=0
2x(3x+3)=15x+15
(9x-7)2=(1-6x)2
3x2-9x=0
3x2-4
x=0
x2+18x=-81
9x2-64=0
2x(3x+2)=15x+10
(4x-3)2=(2-6x)2
8x2+x=0
4x2+3
x=0
x2-14x=-49
64x2-64=0
x(3x+2)=12x+8
(3x+6)2=(3-8x)2
5x2+9x=0
5x2-4
x=0
x2+12x=-36
64x2-361=0
x(3x-1)=9x-3
(x+9)2=(8-x)2
x2-8x=0
4x2+
x=0
x2+10x=-25
49x2-64=0
x(2x+9)=4x+18
(2x-2)2=(9-4x)2
6x2+5x=0
7x2-4
x=0
x2+16x=-64
4x2-361=0
4x(2x-1)=12x-6
(x-6)2=(9-x)2
9x2+4x=0
5x2-
x=0
x2+8x=-16
64x2-64=0
x(2x-2)=4x-4
(x+1)2=(2-x)2
3x2-4x=0
3x2-
x=0
x2-4x=-4
9x2-4=0
x(4x-9)=16x-36
(x-4)2=(6-x)2
x2+2x=0
6x2-
x=0
x2+18x=-81
4x2-9=0
4x(3x+8)=12x+32
(7x-6)2=(9+5x)2
6x2+4x=0
x2+
x=0
x2-12x=-36
36x2-196=0
3x(3x-5)=15x-25
(x+9)2=(9-x)2
6x2+7x=0
4x2+
x=0
x2-4x=-4
16x2-49=0
x(2x-4)=10x-20
(x-3)2=(1+3x)2
7x2-9x=0
x2+
x=0
x2-18x=-81
100x2-400=0
4x(3x+6)=12x+24
(x+2)2=(5-8x)2
x2-7x=0
x2-2
x=0
x2-18x=-81
36x2-400=0
x(3x+1)=18x+6
(8x-4)2=(2+x)2
8x2-2x=0
3x2+3
x=0
x2-10x=-25
49x2-144=0
2x(4x+2)=16x+8
(4x-2)2=(10+4x)2
9x2-2x=0
x2+2
x=0
x2-8x=-16
4x2-289=0
4x(2x-5)=8x-20
(x+1)2=(6+x)2
8x2+x=0
8x2+4
x=0
x2-4x=-4
9x2-361=0
2x(4x-6)=20x-30
(6x-3)2=(1-3x)2
x2-9x=0
9x2-
x=0
x2+8x=-16
16x2-121=0
4x(4x-9)=12x-27
(x+7)2=(8+7x)2
3x2-6x=0
3x2+3
x=0
x2-8x=-16
64x2-64=0
x(3x-6)=9x-18
(x+4)2=(4+3x)2
8x2-x=0
9x2-4
x=0
x2+10x=-25
81x2-324=0
3x(4x-3)=8x-6
(3x+5)2=(7+6x)2
4x2-x=0
4x2-3
x=0
x2-12x=-36
16x2-256=0
4x(2x+3)=12x+18
(7x-1)2=(4+x)2
x2-x=0
6x2+3
x=0
x2-20x=-100
81x2-144=0
x(4x+9)=24x+54
(x+3)2=(8-4x)2
x2-4x=0
x2+2
x=0
x2-6x=-9
36x2-256=0
4x(2x+8)=6x+24
(4x-8)2=(8+7x)2
7x2+x=0
6x2-3
x=0
x2+6x=-9
81x2-121=0
x(2x+7)=6x+21
(4x+8)2=(4-x)2
x2-x=0
x2-2
x=0
x2+6x=-9
36x2-400=0
x(3x-9)=6x-18
(x-2)2=(2+9x)2
x2+x=0
9x2-3
x=0
x2+16x=-64
64x2-36=0
4x(2x-3)=8x-12
(5x+7)2=(7+x)2
7x2+x=0
5x2+2
x=0
x2+12x=-36
16x2-9=0
2x(2x-2)=6x-6
(4x+4)2=(10+9x)2
2x2-5x=0
x2-
x=0
x2+18x=-81
81x2-324=0
2x(3x-4)=9x-12
(x+8)2=(3+6x)2
2x2-5x=0
2x2+2
x=0
x2+18x=-81
81x2-400=0
2x(4x+3)=16x+12
(x+2)2=(9-x)2
8x2-4x=0
7x2-2
x=0
x2+4x=-4
16x2-81=0
2x(4x+2)=24x+12
(8x-8)2=(7+x)2
8x2-4x=0
8x2-4
x=0
x2+20x=-100
64x2-400=0
x(2x-3)=4x-6
(9x+7)2=(5+x)2
x2+4x=0
2x2-
x=0
x2-10x=-25
36x2-289=0
x(2x-6)=8x-24
(7x-7)2=(9+x)2
2x2+5x=0
3x2+4
x=0
x2-16x=-64
64x2-9=0
x(3x-4)=12x-16
(x+7)2=(5-5x)2
9x2-9x=0
8x2-4
x=0
x2-6x=-9
100x2-256=0
x(4x+9)=8x+18
(x-8)2=(7+7x)2
x2+7x=0
8x2+4
x=0
x2-16x=-64
16x2-324=0
3x(4x-2)=24x-12
(2x-3)2=(2-9x)2
9x2+6x=0
2x2+
x=0
x2-8x=-16
4x2-9=0
x(4x-1)=20x-5
(x+3)2=(2-2x)2
3x2-x=0
5x2+
x=0
x2-14x=-49
16x2-144=0
x(2x+4)=6x+12
(5x-3)2=(2+x)2
3x2-4x=0
x2-3
x=0
x2+2x=-1
9x2-196=0
x(2x-7)=4x-14
(7x+4)2=(2+6x)2
6x2-3x=0
7x2+5
x=0
x2-4x=-4
4x2-4=0
4x(3x-2)=15x-10
(3x-4)2=(2-9x)2
5x2-7x=0
8x2-5
x=0
x2-4x=-4
25x2-324=0
x(4x+3)=20x+15
(x+2)2=(6+x)2
8x2-8x=0
4x2-5
x=0
x2+10x=-25
49x2-196=0
x(2x-8)=4x-16
(6x-6)2=(8-x)2
9x2-3x=0
7x2+2
x=0
x2+2x=-1
9x2-49=0
3x(4x-7)=8x-14
(4x+6)2=(8-3x)2
x2+2x=0
2x2-3
x=0
x2-6x=-9
36x2-64=0
3x(2x-8)=10x-40
(x+8)2=(6-5x)2
7x2+x=0
3x2+
x=0
x2-14x=-49
9x2-25=0
x(4x-6)=24x-36
(x+7)2=(2+6x)2
7x2-3x=0
9x2+4
x=0
x2-8x=-16
100x2-289=0
3x(2x-6)=12x-36
(3x+7)2=(10+x)2
2x2+x=0
9x2-4
x=0
x2-14x=-49
64x2-49=0
3x(4x+3)=12x+9
(4x-5)2=(5+4x)2
9x2+x=0
4x2-
x=0
x2+6x=-9
25x2-64=0
3x(3x+8)=18x+48
(x+3)2=(4-x)2
7x2+x=0
9x2-2
x=0
x2-8x=-16
81x2-196=0
2x(2x-7)=6x-21
(x+6)2=(10+x)2
7x2+9x=0
7x2+2
x=0
x2-14x=-49
4x2-16=0
x(3x+7)=6x+14
(5x-6)2=(8-x)2
3x2-7x=0
x2-2
x=0
x2-8x=-16
81x2-49=0
x(3x-4)=12x-16
(x-8)2=(3+x)2
x2+9x=0
5x2+5
x=0
x2+6x=-9
25x2-324=0
2x(4x-7)=20x-35
(x-3)2=(2-x)2
8x2-2x=0
2x2+
x=0
x2-16x=-64
49x2-144=0
x(4x+8)=24x+48
(x+6)2=(2+x)2
3x2+x=0
9x2+2
x=0
x2+4x=-4
4x2-169=0
4x(4x+1)=8x+2
(2x-2)2=(1+x)2
9x2-2x=0
9x2-2
x=0
x2+6x=-9
100x2-324=0
x(3x+4)=12x+16
(x+4)2=(4-8x)2
5x2+5x=0
6x2+5
x=0
x2+14x=-49
9x2-9=0
2x(3x+3)=6x+6
(3x+6)2=(10+x)2
x2-x=0
x2-
x=0
x2-14x=-49
36x2-16=0
x(2x+9)=12x+54
(6x-9)2=(8+4x)2
x2+7x=0
7x2+2
x=0
x2-20x=-100
36x2-256=0
x(3x+9)=18x+54
(6x+7)2=(2+x)2
2x2+2x=0
3x2+4
x=0
x2-12x=-36
25x2-256=0
3x(4x+5)=24x+30
(5x+4)2=(8-x)2
5x2-4x=0
4x2-3
x=0
x2+12x=-36
4x2-324=0
x(2x+6)=8x+24
(x+5)2=(5-7x)2
x2+7x=0
x2-2
x=0
x2+8x=-16
36x2-49=0
3x(4x+9)=20x+45
(2x+8)2=(7-x)2
8x2-7x=0
4x2+3
x=0
x2+2x=-1
64x2-49=0
x(2x-5)=4x-10
(6x+7)2=(5+x)2
2x2+8x=0
x2+
x=0
x2+2x=-1
49x2-361=0
3x(4x-4)=8x-8
(4x+8)2=(5+x)2
9x2+x=0
5x2+2
x=0
x2-14x=-49
16x2-289=0
x(3x+6)=9x+18
(9x-2)2=(10-4x)2
2x2+3x=0
2x2+
x=0
x2-6x=-9
16x2-169=0
2x(4x+4)=20x+20
(6x+5)2=(9+x)2
x2+x=0
x2-2
x=0
x2-14x=-49
9x2-25=0
x(2x-1)=12x-6
(x-9)2=(1+9x)2
8x2-6x=0
x2+3
x=0
x2+2x=-1
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