3x^2-5=22

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Solution for 3x^2-5=22 equation: 


Simplifying
3x2 + -5 = 22

Reorder the terms:
-5 + 3x2 = 22

Solving
-5 + 3x2 = 22

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 3x2 = 22 + 5

Combine like terms: -5 + 5 = 0
0 + 3x2 = 22 + 5
3x2 = 22 + 5

Combine like terms: 22 + 5 = 27
3x2 = 27

Divide each side by '3'.
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}

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