x^2-28=12

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Solution for x^2-28=12 equation:


Simplifying
x2 + -28 = 12

Reorder the terms:
-28 + x2 = 12

Solving
-28 + x2 = 12

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + x2 = 12 + 28

Combine like terms: -28 + 28 = 0
0 + x2 = 12 + 28
x2 = 12 + 28

Combine like terms: 12 + 28 = 40
x2 = 40

Simplifying
x2 = 40

Take the square root of each side:
x = {-6.32455532, 6.32455532}

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