化简:(-4x+1)(2x+3)-(-8x)(x+1)
问题描述:
化简:(-4x+1)(2x+3)-(-8x)(x+1)
答
(-4x+1)(2x+3)-(-8x)(x+1)
=-(4x-1)(2x+3)+8x(x+1)
=-(8x^2+10x-3)+8x^2+8
=-8x^2-10x+3+8x^2+8
=-10x+11