因式分解15(x-1)^2+11(x+3)-58
问题描述:
因式分解15(x-1)^2+11(x+3)-58
答
15(x-1)^2+11(x+3)-58
=15(x-1)^2+11(x-1)-14
=[3(x-1)-2][5(x-1)+7]
=(3x-5)(5x+2)