(-3x+1)(-2x)² 等于多少
问题描述:
(-3x+1)(-2x)² 等于多少
答
(-3x+1)(-2x)²
=(-3x+1)×4x²
=-12x³+4x²
(-3x+1)(-2x)² 等于多少
(-3x+1)(-2x)²
=(-3x+1)×4x²
=-12x³+4x²