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Simplifying
5n2 + -2 = 318
Reorder the terms:
-2 + 5n2 = 318
Solving
-2 + 5n2 = 318
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Add '2' to each side of the equation.
-2 + 2 + 5n2 = 318 + 2
Combine like terms: -2 + 2 = 0
0 + 5n2 = 318 + 2
5n2 = 318 + 2
Combine like terms: 318 + 2 = 320
5n2 = 320
Divide each side by '5'.
n2 = 64
Simplifying
n2 = 64
Take the square root of each side:
n = {-8, 8}
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