x^-4y^-10x-4y+24(^是2次方)
问题描述:
x^-4y^-10x-4y+24(^是2次方)
快
答
x^-4y^-10x-4y+24
=x^-10x+25-4y^-4y-1
=(x-5)^-(4y^+4y+1)
=(x-5)^-(2y-1)^
=(x-5+2y-1)(x-5-2y+1)
=(x+2y-6)(x-2y-4)