2n^2-4=68

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Solution for 2n^2-4=68 equation:


Simplifying
2n2 + -4 = 68

Reorder the terms:
-4 + 2n2 = 68

Solving
-4 + 2n2 = 68

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '4' to each side of the equation.
-4 + 4 + 2n2 = 68 + 4

Combine like terms: -4 + 4 = 0
0 + 2n2 = 68 + 4
2n2 = 68 + 4

Combine like terms: 68 + 4 = 72
2n2 = 72

Divide each side by '2'.
n2 = 36

Simplifying
n2 = 36

Take the square root of each side:
n = {-6, 6}

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