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Simplifying
-3 + -4n2 = -171
Solving
-3 + -4n2 = -171
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Add '3' to each side of the equation.
-3 + 3 + -4n2 = -171 + 3
Combine like terms: -3 + 3 = 0
0 + -4n2 = -171 + 3
-4n2 = -171 + 3
Combine like terms: -171 + 3 = -168
-4n2 = -168
Divide each side by '-4'.
n2 = 42
Simplifying
n2 = 42
Take the square root of each side:
n = {-6.480740698, 6.480740698}
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