计算:(2x^2-18/4-4x+x^2)^3/(-3-x/2-x)^2
问题描述:
计算:(2x^2-18/4-4x+x^2)^3/(-3-x/2-x)^2
答
原式=[2(x+3)(x-3)/(x-2)²]³/[(x+3)/(x-2)]²
=[8(x+3)³(x-3)³/(x-2)^6/[(x+3)²/(x-2)²]
=8(x+3)³(x-3)/(x-2)^4