3x^2-118=20

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Solution for 3x^2-118=20 equation:


Simplifying
3x2 + -118 = 20

Reorder the terms:
-118 + 3x2 = 20

Solving
-118 + 3x2 = 20

Solving for variable 'x'.

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

Add '118' to each side of the equation.
-118 + 118 + 3x2 = 20 + 118

Combine like terms: -118 + 118 = 0
0 + 3x2 = 20 + 118
3x2 = 20 + 118

Combine like terms: 20 + 118 = 138
3x2 = 138

Divide each side by '3'.
x2 = 46

Simplifying
x2 = 46

Take the square root of each side:
x = {-6.782329983, 6.782329983}

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