Answer: 112
Step-by-step explanation:
Since we were given m and n, we plug them into the expression and solve.
-2(-6)+4(-5)²            [exponent]
-2(-6)+4(25)            [multiply]
12+100                     [add]
112
Now, we know that the value of the expression is 112.
 
        
             
        
        
        
Answer:
136
Step-by-step explanation: