Question

4x的平方-4y的平方+2ax+2ay 因式分解

Answer 1

4x^2-4y^2+2ax+2ay =4(x^2-y^2)+2a(x+y) =4(x+y)(x-y)+2a(x+y) =2(x+y)[2(x-y)+a] =2(x+y)(2x-2y+a)

求采纳