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Simplifying
8n2 + -5 = 115
Reorder the terms:
-5 + 8n2 = 115
Solving
-5 + 8n2 = 115
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Add '5' to each side of the equation.
-5 + 5 + 8n2 = 115 + 5
Combine like terms: -5 + 5 = 0
0 + 8n2 = 115 + 5
8n2 = 115 + 5
Combine like terms: 115 + 5 = 120
8n2 = 120
Divide each side by '8'.
n2 = 15
Simplifying
n2 = 15
Take the square root of each side:
n = {-3.872983346, 3.872983346}
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