Решить неравенство????(6x-6)-(x-1)^2<=0

Question

Решить неравенство????
(6x-6)-(x-1)^2<=0

Answer 1

(6x-6)-(x-1)∧2=0
(6x-6)-(x∧2-2x+1)=0
6x-6-x∧2+2x-1=0
-x∧2+8x-7=0
D= 64-28=36
x1=1
x2=7