Respuesta :
Use PEMDAS.
(3+7)2-(17+12)
(10)2-(17+12)
(10)2-29
20-29
20-29= -9
The answer is -9
(3+7)2-(17+12)
(10)2-(17+12)
(10)2-29
20-29
20-29= -9
The answer is -9