Question

Решите уравнение (x+6)²=(x-4)(x+4)-8 Помогите

Answer 1

X²+12x+36=x²-16-8;12x=-60;x=-5;

Answer 2

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