2x^2+4=22

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Solution for 2x^2+4=22 equation: 


Simplifying
2x2 + 4 = 22

Reorder the terms:
4 + 2x2 = 22

Solving
4 + 2x2 = 22

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 2x2 = 22 + -4

Combine like terms: 4 + -4 = 0
0 + 2x2 = 22 + -4
2x2 = 22 + -4

Combine like terms: 22 + -4 = 18
2x2 = 18

Divide each side by '2'.
x2 = 9

Simplifying
x2 = 9

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

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