<span>11+4 (x+7)^2 Substitue 2 for x </span><span>11+4 (2+7)^2 Multiply the numbers inside of the parenthesis by the exponent 11+4 (4+49) Add 4 to 59 11+4 (54) Add 4 to 11 15(54) Multiply Final Answer: 810</span>
First you follow PEMDAS, doing the parentheses first. Inside the parenthesis, there is 9. 9^2 is 81. Then you multiply 15 by 81, and you get 1215.
Final answer 1215