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
 
					                  