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Simplifying
14n2 + -126 = 0
Reorder the terms:
-126 + 14n2 = 0
Solving
-126 + 14n2 = 0
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Add '126' to each side of the equation.
-126 + 126 + 14n2 = 0 + 126
Combine like terms: -126 + 126 = 0
0 + 14n2 = 0 + 126
14n2 = 0 + 126
Combine like terms: 0 + 126 = 126
14n2 = 126
Divide each side by '14'.
n2 = 9
Simplifying
n2 = 9
Take the square root of each side:
n = {-3, 3}
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