Question

Which of the following is a step in simplifying the expression?

Answer 1

(2-3x4+5)^2 Everything in parenthesis first, and in the parenthesis, multiply first, so: 
(2-12+5)^2 Now add within the parenthesis: 
(2-7)^2 And subtract: 
(-5)^2 Parenthesis are solved, now you can do the exponent: 
25 is the answer.