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15.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15
x(2x+3)=4x+6
(x+4)2=(9-x)2
9x2+3x=0
7x2-x=0
x2+12x=-36
49x2-100=0
x(4x-6)=24x-36
(x+9)2=(7+5x)2
2x2+x=0
5x2+2x=0
x2-4x=-4
9x2-400=0
2x(3x+8)=12x+32
(x-7)2=(7+x)2
8x2-7x=0
8x2-3x=0
x2+6x=-9
25x2-169=0
2x(2x-3)=10x-15
(2x-3)2=(10-x)2
x2+6x=0
8x2-5x=0
x2-2x=-1
49x2-400=0
x(3x+1)=18x+6
(2x-7)2=(9+x)2
8x2+7x=0
9x2-4x=0
x2-10x=-25
36x2-121=0
4x(3x+8)=6x+16
(x-3)2=(9-7x)2
9x2-8x=0
3x2+x=0
x2-14x=-49
4x2-16=0
4x(4x-4)=20x-20
(x+2)2=(4-x)2
x2+7x=0
8x2-5x=0
x2+4x=-4
100x2-400=0
2x(2x+2)=4x+4
(5x+8)2=(7+x)2
5x2-8x=0
x2+2x=0
x2-12x=-36
100x2-256=0
3x(4x-7)=24x-42
(6x+1)2=(1-x)2
7x2-5x=0
9x2+2x=0
x2+12x=-36
36x2-36=0
x(3x-6)=6x-12
(8x-1)2=(8-4x)2
7x2-2x=0
3x2-5x=0
x2+20x=-100
100x2-289=0
x(4x-9)=16x-36
(7x-7)2=(10+7x)2
7x2-8x=0
7x2-2x=0
x2-18x=-81
25x2-16=0
x(4x+6)=12x+18
(x-4)2=(7+7x)2
5x2+4x=0
4x2+4x=0
x2+2x=-1
81x2-225=0
2x(4x-2)=20x-10
(2x+1)2=(7+3x)2
4x2+7x=0
5x2-5x=0
x2-2x=-1
25x2-25=0
2x(4x-1)=8x-2
(4x+2)2=(3-7x)2
x2+2x=0
6x2+x=0
x2-18x=-81
64x2-49=0
x(2x-8)=4x-16
(x+7)2=(1+7x)2
8x2+6x=0
7x2-2x=0
x2-6x=-9
25x2-289=0
2x(3x+2)=9x+6
(2x+6)2=(4-5x)2
6x2+4x=0
x2+x=0
x2+10x=-25
81x2-4=0
4x(3x-9)=6x-18
(4x-2)2=(2-x)2
x2+2x=0
5x2-2x=0
x2-14x=-49
49x2-4=0
x(3x+7)=15x+35
(x-8)2=(1+x)2
7x2+x=0
5x2+x=0
x2+12x=-36
25x2-100=0
2x(4x-4)=24x-24
(4x+7)2=(5+x)2
8x2-x=0
x2-4x=0
x2-6x=-9
49x2-4=0
2x(3x-6)=18x-36
(6x+1)2=(1+5x)2
x2-7x=0
6x2-4x=0
x2-2x=-1
9x2-196=0
4x(3x-3)=6x-6
(4x-5)2=(9-x)2
x2+x=0
x2-5x=0
x2-2x=-1
64x2-361=0
x(2x+6)=10x+30
(x+4)2=(10-8x)2
x2-3x=0
x2-5x=0
x2-10x=-25
4x2-121=0
2x(4x-4)=24x-24
(x-5)2=(3-3x)2
4x2+3x=0
6x2+x=0
x2-18x=-81
49x2-9=0
x(3x+9)=18x+54
(6x+8)2=(8+7x)2
8x2+3x=0
7x2+3x=0
x2+12x=-36
81x2-81=0
4x(2x+5)=10x+25
(x-6)2=(2-6x)2
7x2+4x=0
4x2+5x=0
x2-18x=-81
4x2-49=0
x(4x-1)=12x-3
(5x-4)2=(1-9x)2
2x2+6x=0
5x2-4x=0
x2+20x=-100
81x2-256=0
4x(3x+2)=6x+4
(x-4)2=(6-x)2
2x2-x=0
8x2+5x=0
x2+12x=-36
25x2-400=0
2x(3x+9)=15x+45
(x+7)2=(9+6x)2
x2-4x=0
x2-4x=0
x2-2x=-1
16x2-225=0
x(4x+4)=12x+12
(x+7)2=(9+5x)2
7x2-8x=0
4x2-2x=0
x2+2x=-1
81x2-169=0
x(2x+8)=6x+24
(3x+6)2=(6-3x)2
5x2+9x=0
x2+x=0
x2-14x=-49
36x2-81=0
3x(4x+2)=24x+12
(2x-4)2=(5+x)2
7x2-9x=0
3x2+x=0
x2-20x=-100
64x2-1=0
x(4x+2)=24x+12
(9x-2)2=(2-6x)2
3x2+2x=0
8x2-3x=0
x2-12x=-36
100x2-49=0
2x(4x-1)=24x-6
(x-2)2=(5-9x)2
6x2-8x=0
9x2+2x=0
x2-14x=-49
16x2-196=0
3x(2x-2)=8x-8
(x-1)2=(5+x)2
4x2-4x=0
7x2-x=0
x2+2x=-1
25x2-196=0
3x(3x-5)=9x-15
(5x-5)2=(8+4x)2
x2+6x=0
8x2+3x=0
x2+16x=-64
81x2-400=0
x(4x-5)=12x-15
(5x+4)2=(9+x)2
3x2-6x=0
4x2-x=0
x2+16x=-64
64x2-16=0
x(2x+4)=6x+12
(4x+3)2=(2-6x)2
8x2-8x=0
3x2-2x=0
x2-14x=-49
25x2-169=0
x(4x-8)=20x-40
(x+8)2=(6+9x)2
8x2-7x=0
9x2+x=0
x2-14x=-49
9x2-25=0
3x(2x-5)=10x-25
(5x+7)2=(7+x)2
8x2+x=0
9x2-x=0
x2+20x=-100
49x2-121=0
x(3x+5)=9x+15
(x+9)2=(4+x)2
9x2-3x=0
x2-5x=0
x2+6x=-9
49x2-400=0
2x(2x+9)=12x+54
(7x-6)2=(2+2x)2
x2+7x=0
3x2-4x=0
x2+2x=-1
16x2-9=0
x(4x-1)=8x-2
(2x-9)2=(9+2x)2
8x2+6x=0
4x2-4x=0
x2-10x=-25
16x2-9=0
3x(4x-5)=12x-15
(x+5)2=(4-7x)2
6x2-6x=0
2x2-x=0
x2+16x=-64
81x2-196=0
4x(3x+8)=9x+24
(x-4)2=(2+9x)2
2x2+9x=0
5x2-4x=0
x2+20x=-100
9x2-324=0
x(2x-7)=8x-28
(2x-2)2=(10+5x)2
x2+7x=0
x2+2x=0
x2+8x=-16
25x2-324=0
x(4x-2)=8x-4
(4x-1)2=(8+5x)2
9x2-5x=0
x2-x=0
x2+8x=-16
100x2-196=0
x(3x-1)=6x-2
(4x+5)2=(3-x)2
8x2+5x=0
6x2+x=0
x2+4x=-4
64x2-169=0
2x(4x-1)=12x-3
(x+3)2=(4-x)2
x2+9x=0
x2-5x=0
x2+10x=-25
49x2-169=0
x(4x-8)=8x-16
(5x+5)2=(4-2x)2
6x2-4x=0
5x2-3x=0
x2+16x=-64
25x2-49=0
2x(2x-7)=6x-21
(7x-1)2=(5-x)2
7x2+5x=0
8x2-4x=0
x2-14x=-49
100x2-36=0
3x(2x+6)=6x+18
(x+1)2=(9-4x)2
5x2-3x=0
x2+2x=0
x2+14x=-49
49x2-144=0
x(4x+5)=16x+20
(3x+8)2=(2+5x)2
3x2+8x=0
5x2-3x=0
x2+6x=-9
16x2-144=0
x(3x+8)=15x+40
(x-4)2=(7+x)2
8x2-8x=0
2x2+3x=0
x2-8x=-16
100x2-225=0
x(2x+3)=10x+15
(x+8)2=(1+x)2
7x2-8x=0
6x2+5x=0
x2-2x=-1
25x2-1=0
x(3x-9)=9x-27
(x-1)2=(5-x)2
3x2+7x=0
5x2-x=0
x2-8x=-16
100x2-100=0
x(3x+5)=15x+25
(x-4)2=(8+x)2
6x2+x=0
x2-x=0
x2-20x=-100
16x2-9=0
x(3x-5)=12x-20
(x-8)2=(4-6x)2
5x2+5x=0
4x2+x=0
x2-12x=-36
49x2-16=0
x(2x-8)=12x-48
(4x+7)2=(4-3x)2
x2-6x=0
9x2+4x=0
x2+8x=-16
49x2-49=0
x(2x+5)=8x+20
(x-8)2=(1+x)2
4x2+8x=0
x2+4x=0
x2+8x=-16
36x2-49=0
x(3x-1)=18x-6
(x-3)2=(2+x)2
2x2+7x=0
7x2-x=0
x2+2x=-1
16x2-400=0
x(2x-3)=12x-18
(6x-1)2=(5+3x)2
4x2+8x=0
4x2-3x=0
x2-6x=-9
25x2-81=0
x(4x-2)=20x-10
(8x-5)2=(2+7x)2
2x2+5x=0
5x2-x=0
x2-14x=-49
81x2-25=0
3x(3x+2)=6x+4
(x+1)2=(1-9x)2
3x2-4x=0
6x2-x=0
x2-20x=-100
36x2-289=0
x(2x-8)=4x-16
(x+6)2=(9+x)2
4x2-6x=0
3x2+x=0
x2-20x=-100
16x2-25=0
x(4x+8)=24x+48
(3x-4)2=(3-x)2
5x2+8x=0
3x2+4x=0
x2+6x=-9
36x2-100=0
x(4x+8)=8x+16
(x-6)2=(7-x)2
4x2-4x=0
x2-x=0
x2+6x=-9
49x2-400=0
3x(4x+8)=16x+32
(5x+4)2=(2-x)2
2x2-8x=0
5x2+5x=0
x2+12x=-36
25x2-25=0
x(2x-2)=12x-12
(x-5