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Lisa [10]
3 years ago
13

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

.
Mathematics
1 answer:
katrin [286]3 years ago
7 0
2(5+x)² = 72
(5+x)² = 36
5+x = 6
x = 1
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