3x^2-19=89

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Solution for 3x^2-19=89 equation:


Simplifying
3x2 + -19 = 89

Reorder the terms:
-19 + 3x2 = 89

Solving
-19 + 3x2 = 89

Solving for variable 'x'.

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

Add '19' to each side of the equation.
-19 + 19 + 3x2 = 89 + 19

Combine like terms: -19 + 19 = 0
0 + 3x2 = 89 + 19
3x2 = 89 + 19

Combine like terms: 89 + 19 = 108
3x2 = 108

Divide each side by '3'.
x2 = 36

Simplifying
x2 = 36

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

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