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Simplifying
2n2 + -2 = 160
Reorder the terms:
-2 + 2n2 = 160
Solving
-2 + 2n2 = 160
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 + 2n2 = 160 + 2
Combine like terms: -2 + 2 = 0
0 + 2n2 = 160 + 2
2n2 = 160 + 2
Combine like terms: 160 + 2 = 162
2n2 = 162
Divide each side by '2'.
n2 = 81
Simplifying
n2 = 81
Take the square root of each side:
n = {-9, 9}
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