Question

Решите уравнение!Срочно даю 80 баллов​

Answer 1

${(x - 7)}^{2} + 3 = (x - 2)(x + 2) \\ {x}^{2} - 14x + 49 + 3 = {x}^{2} - 4 \\ - 14x + 49 + 3 = - 4 \\ - 14x + 52 = - 4 \\ - 14x = - 4 - 52 \\ - 14x = - 56 \\ x = 4$