计算(x+1)(x+2)(x+3)的值
问题描述:
计算(x+1)(x+2)(x+3)的值
答
解(x+1)(x+2)(x+3)
=(x^2+3x+2)(x+3)
=x^3+3x^2+2x+3x^2+9x+6
=x^3+6x^2+11x+6.