(x+2)(4x-2)怎么算,
问题描述:
(x+2)(4x-2)怎么算,
答
(x+2)(4x-2)
=x^2-2x+8x-4
=x^2+6x-4
(x+2)(4x-2)怎么算,
(x+2)(4x-2)
=x^2-2x+8x-4
=x^2+6x-4