x^2-2=5

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Solution for x^2-2=5 equation:


Simplifying
x2 + -2 = 5

Reorder the terms:
-2 + x2 = 5

Solving
-2 + x2 = 5

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + x2 = 5 + 2

Combine like terms: -2 + 2 = 0
0 + x2 = 5 + 2
x2 = 5 + 2

Combine like terms: 5 + 2 = 7
x2 = 7

Simplifying
x2 = 7

Take the square root of each side:
x = {-2.645751311, 2.645751311}

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