Question

C = (-9 + 6) (-5-2) C = ( -9 + 6 ) ( -5-2 )​

Answer 1

Respuesta:

C=21

Explicación paso a paso:

$C=\left(-9+6\right)\left(-5-2\right)\quad :\quad C=21C=\left(-9+6\right)\left(-5-2\right)-9+6=-3=\left(-3\right)\left(-5-2\right)\mathrm{Restar:}\:-5-2=-7\\C=\left(-3\right)\left(-7\right)\left(-a\right)=-a,\:-\left(-a\right)=a < C=3\cdot \:7C=21$