SOLUTION: Two times the square of five more than a number is seventy-two. Write an equation that models this situation. Solve the equation.

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Question 919489: Two times the square of five more than a number is seventy-two. Write an equation that models this situation. Solve the equation.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
2(n+5)^2 = 72
(n+5)^2 = 36
n+ 5 = ± 6
n = -5 ± 6
n is -11, 1