2xy-xz6x^2+9x4x^2-9x^2-4x+4x^2-16y^29x^2-6x+12x^2y-8xy+8y3x(

吴筱2022-10-04 11:39:542条回答

2xy-xz
6x^2+9x
4x^2-9
x^2-4x+4
x^2-16y^2
9x^2-6x+1
2x^2y-8xy+8y
3x(a-b)-2y(b-a)
a^2(y-3)+(3-y)
x^2(x-y)-(x-y)
4xy-4x^2y-y
(3a+2)^2-(a-6)^2
x^4-8x^2+16
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共2条回复
nanling 共回答了27个问题 | 采纳率88.9%
x(2y-z)
3x(2x + 3)
4(x-3/2)(x+3/2)
(x - 2)^2
(x -4y)(x+4y)
(3x -1)^2
2y(x -2)^2
(a-b)(3x+2y)
(y-3)(a-1)(a+1)
(x-y)(x-1)(x+1)
-y(2x-1)^2
先用平方差公式得:(3a+2+a-6)[(3a+2)-(a-6)],整理得,8(a-1)(a+4)
(x^2-4)^2=(x+2)^2*(x-2)^2
1年前
yu820124 共回答了60个问题 | 采纳率
分太少题太多而且太简单
1年前

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2xy-xz6x^2+9x4x^2-9x^2-4x+4x^2-16y^29x^2-6x+12x^2y-8xy+8y
yanjitao1年前2
nmtl999 共回答了21个问题 | 采纳率100%
①2xy-xz=x(2y-z)
②6x^2+9x=x(6x+9)=3x(2x+3)
③4x^2-9=(2x+3)(2x-3)
④x^2-4x+4=(x-2)(x-2)
⑤x^2-16y^2=(x+4y)(x-4y)
⑥9x^2-6x+1=(3x-1)(3x-1)
⑦2x^2y-8xy+8y=y(2x^2-8x+8)
=2y(x^2-4x+4)
2y(x+2)(x-2)