(3t的平方+t-5)(2t-1)
问题描述:
(3t的平方+t-5)(2t-1)
答
=6t³-3t²+2t²-t-10t+5
=6t³-t²-11t+5
(3t的平方+t-5)(2t-1)
=6t³-3t²+2t²-t-10t+5
=6t³-t²-11t+5