Question

−7×(−2)^3+(−5)^2−(-15:3-5)^2=​

Answer 1

$- 7 \times {( - 2)}^{3} + {( - 5)}^{2} - ( - \frac{15}{3} - 5) {}^{2}$

$- 7 \times ( - 8) + 25 - {( - 10)}^{2}$

$56 + 25 - (100)$

$81 - 100 = - 19$