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

(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)