Question

Решите уравнение
(x+6)²+8=(x-4)(x+4)

Answer 1

${(x + 6) }^{2} + 8 = (x - 4)(x + 4)$
${x}^{2} + 12x + 36 + 8 = {x}^{2} - 16$
${x}^{2} - {x}^{2} + 12x = - 36 - 16 - 8$
$12x = - 60$
$x = - 60 div 12$
$x = - 5$