解不等式:(x/2+5)^2-(x/2-5)^2≥6x+8

问题描述:

解不等式:(x/2+5)^2-(x/2-5)^2≥6x+8

(x/2+5)^2-(x/2-5)^2≥6x+8
(x/2+5+x/2-5)(x/2+5-x/2+5)≥6x+8
x*10≥6x+8
10x-6x≥8
4x≥8
x≥2