x^2y一4y；-a^4+16；1-36b^2；12x^2-3y^2；0.49p^2-144；（2x+y）^2-（x+2

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/10/01 09:31:10

x^2y一4y；-a^4+16；1-36b^2；12x^2-3y^2；0.49p^2-144；（2x+y）^2-（x+2y）^2；分解因式,快

yx^2-4y=y(x^2-4)=y(x+2)(x-2)
16-a^4=(4-a^2)(4+a^2)=(4+a^2)(2+a)(2-a)
1-36b^2=(1-6b)(1+6b)
12x^2-3y^2=3(2x+y)(2x-y)
0.49p^2-144=(0.7p+12)(0.7p-12)
(2x+y)^2-(x+2y)^2=3(x-y)(x+y)

(2x+y)(2x-3y)+x(2y+y) 2a(x-y)-4b(x-y) 因式分解 (1)6(x-y)^3-3y(y-x)^2 (2)x(x-y)(a-b)-y(y-x)( 已知集合A={（x,y)| (y-3)/ (x-1)=2,x,y∈R},B={（x,y)| 4x+ay=16,x,y∈ 设动点P与P'的坐标为（X,Y）（X',Y'）它们满足X'=3X+2Y+1,Y'=X+4Y-3. 1、x(x-y)(x+y)-x(x+y)^2 (x+3y-4)(2x-y) x^2-y^2/x+y-4x(x-y)+y^2/2x-y, 分解公因式p(x-y)-q(y-x)(a+b)(a-b)-(b+a)10a(x-y)^2-5b(y-x)3p(m-2n) x/x-y*y^2/x+y-x^3y2/x^4-y^4/x^2/x^2+y^2 1.（（y+2x)(-2x+y)+4(x+2y)^2)/3y 2.（2(x-y)^3-8(x-y）^2(x+y)+6y( （x+2)(x+3) (x-4)(x+1) (y+4)(y-2) (y-5)(y-3) {3(x+y)-4(x-y)=4 {x+y/2 + x-y/6=1