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Simplifying
8n2 + -10 = 9
Reorder the terms:
-10 + 8n2 = 9
Solving
-10 + 8n2 = 9
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Add '10' to each side of the equation.
-10 + 10 + 8n2 = 9 + 10
Combine like terms: -10 + 10 = 0
0 + 8n2 = 9 + 10
8n2 = 9 + 10
Combine like terms: 9 + 10 = 19
8n2 = 19
Divide each side by '8'.
n2 = 2.375
Simplifying
n2 = 2.375
Take the square root of each side:
n = {-1.541103501, 1.541103501}
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