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Simplifying
n2 + 9 = 80
Reorder the terms:
9 + n2 = 80
Solving
9 + n2 = 80
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Add '-9' to each side of the equation.
9 + -9 + n2 = 80 + -9
Combine like terms: 9 + -9 = 0
0 + n2 = 80 + -9
n2 = 80 + -9
Combine like terms: 80 + -9 = 71
n2 = 71
Simplifying
n2 = 71
Take the square root of each side:
n = {-8.426149773, 8.426149773}
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