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Simplifying
2n2 + 3 = 57
Reorder the terms:
3 + 2n2 = 57
Solving
3 + 2n2 = 57
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 + 2n2 = 57 + -3
Combine like terms: 3 + -3 = 0
0 + 2n2 = 57 + -3
2n2 = 57 + -3
Combine like terms: 57 + -3 = 54
2n2 = 54
Divide each side by '2'.
n2 = 27
Simplifying
n2 = 27
Take the square root of each side:
n = {-5.196152423, 5.196152423}
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