Question

(-2)²-(-4)²+8(-3)-25

Answer 1

Resposta:

– 61.

Explicação passo-a-passo:

$\left(-2\right)^2-\left(-4\right)^2+8\left(-3\right)-25\\\\=4-\left(-4\right)^2+8\left(-3\right)-25\\\\=4-16+8\left(-3\right)-25\\\\=4-16-24-25\\\\=-61$

Espero que ajude!