x^2-2-15=9

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Solution for x^2-2-15=9 equation:


Simplifying
x2 + -2 + -15 = 9

Reorder the terms:
-2 + -15 + x2 = 9

Combine like terms: -2 + -15 = -17
-17 + x2 = 9

Solving
-17 + x2 = 9

Solving for variable 'x'.

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

Add '17' to each side of the equation.
-17 + 17 + x2 = 9 + 17

Combine like terms: -17 + 17 = 0
0 + x2 = 9 + 17
x2 = 9 + 17

Combine like terms: 9 + 17 = 26
x2 = 26

Simplifying
x2 = 26

Take the square root of each side:
x = {-5.099019514, 5.099019514}

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