x^2-49=40

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Solution for x^2-49=40 equation: 


Simplifying
x2 + -49 = 40

Reorder the terms:
-49 + x2 = 40

Solving
-49 + x2 = 40

Solving for variable 'x'.

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

Add '49' to each side of the equation.
-49 + 49 + x2 = 40 + 49

Combine like terms: -49 + 49 = 0
0 + x2 = 40 + 49
x2 = 40 + 49

Combine like terms: 40 + 49 = 89
x2 = 89

Simplifying
x2 = 89

Take the square root of each side:
x = {-9.433981132, 9.433981132}

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