化简2x²×x-x×﹙﹣x﹚²+﹙﹣x²﹚×x²﹢16

问题描述:

化简2x²×x-x×﹙﹣x﹚²+﹙﹣x²﹚×x²﹢16

2x²×x-x×﹙﹣x﹚²+﹙﹣x²﹚×x²﹢16
=2x³-x³-x的4次方+16
=x³-x的4次方+16