Question

(x-6)в квадрате=(x-4)(x+4)-8
решите уравнение

Answer 1

x²-12x+36=x²-16-8
x²-12x-x²=-16-8-36
-12x=-60
x=5

Answer 2

(x-6)^2=(x-4)(x+4)-8
x^2-12x+36= x^2-16-8
x^2-12x+36-x^2=-24
-12x=-24-36
-12x=-60
x=5