Question

Решите уравнение:
(х-5)(х-2)-(х+1)(х-4)=6

Answer 1

(Х^2-2Х-5Х+10)-(Х^2-4Х+Х-4)=Х^2-2Х-5Х+10-Х^2+4Х-Х+4=-4Х+14

Answer 2

(х-5)(х-2)-(х+1)(х-4)=6x²-2x-5x+10-x²+4x-x+4=6
-4x=-8
x=2