Respuesta :

Answer:

9

Step-by-step explanation:

-3(-15-2(-9))^2

=-3(-15+15)^2

=-3^2

=9

sorry, it just seems easy for me.

but tell me if you need more profound explanations. <:D

the pic is for a other question:

Ver imagen GeniusTrio

-3(-15-2(-9))²

= -3(-15+18)²

= -3(3)²

= -3×9

= -27

please mark this answer as brainlist

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