11+4 (x+7) 2nd power when x=2

2 answers:

monitta3 years ago

6 0

<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>

Svetllana [295]3 years ago

5 0

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

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