化简(5a²+2a)-4(2+2a²).
问题描述:
化简(5a²+2a)-4(2+2a²).
答
=5a^2+2a-8-8a^2
=-3a^2+2a-8
化简(5a²+2a)-4(2+2a²).
=5a^2+2a-8-8a^2
=-3a^2+2a-8