Question

Разложите на множ
1) x²-4x-32;

Answer 1

$1) {x}^{2} - 4x - 32 = \\ = {x}^{2} - (8 - 4)x - 32 = \\ = {x}^{2} + 4x - 8x - 32 = \\ = x(x + 4) - 8x - 32 = \\ = x(x + 4) - 8(x + 4) = \\ = (x + 4)(x - 8)$