Die korrekte Antwort lautet:
-12 ⋅ ( - 8 ) = 96

$(22-\left(15+32\right))·50$

= $\left(22-15-32\right)·50$

= $-25·50$

= $-1250$

$-{\left(-3\right)}^3-{\left(-3\right)}^2-5$

= $-\left(-27\right)-9-5$

= $27-9-5$

= $13$