4x平方+y平方+6x-3y-10-4xy 因式分解
问题描述:
4x平方+y平方+6x-3y-10-4xy 因式分解
答
4x^2+y^2+6x-3y-10-4xy
=(2x-y)^2+6x-3y-10
=(2x-y+5)(2x-y-2)
答
4x²-4xy+y²+6x-3y-10
=(2x-y)²+3(2x-y)-10
=(2x-y+5)(2x-y-2)
答
原式=4x²-4xy+y²+6x-3y-10
=(2x-y)²+3(2x-y)-10
设2x-y=a
则原式=a²+3a-10
=(a+5)(a-2)
=(2x-y+5)(2x-y-2)
答
=(2x-y-2)(2x-y+5)