因式分解(4x+1)²-2(4x+1)(x-3)-3(x-3)²
问题描述:
因式分解(4x+1)²-2(4x+1)(x-3)-3(x-3)²
答
(4x+1)²-2(4x+1)(x-3)-3(x-3)²
=[(4x+1)-3(x-3)][(4x+1)+(x-3)]
=(x+10)(5x-2)