化简2x²×x-x×﹙﹣x﹚²+﹙﹣x²﹚×x²﹢16
问题描述:
化简2x²×x-x×﹙﹣x﹚²+﹙﹣x²﹚×x²﹢16
答
2x²×x-x×﹙﹣x﹚²+﹙﹣x²﹚×x²﹢16
=2x³-x³-x的4次方+16
=x³-x的4次方+16