Question

(X+8).(x+8) me ajudaaaaa pfvr

Answer 1

Resposta:

x = -8

Explicação passo a passo:

(x + 8) . (x + 8)

$x^{2}$ + 8x + 8x + 64

$x^{2}$ + 16x + 64

Δ = $b^{2} - 4 * a * c$

Δ = $16^{2} - 4 * 1 * 64$

Δ = 256 - 256

$x = \frac{-16\sqrt{0} }{2 }$

$x = \frac{-16}{2}\\x = -8$