(5-2x)(x-2)怎么算
问题描述:
(5-2x)(x-2)怎么算
答
(5-2x)(x-2)
=5x-10-2x^2+4x
=-2x^2+9x-10
(5-2x)(x-2)怎么算
(5-2x)(x-2)
=5x-10-2x^2+4x
=-2x^2+9x-10