-x^2-2x^2=15

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


Simplifying
-1x2 + -2x2 = 15

Combine like terms: -1x2 + -2x2 = -3x2
-3x2 = 15

Solving
-3x2 = 15

Solving for variable 'x'.

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

Divide each side by '-3'.
x2 = -5

Simplifying
x2 = -5

Reorder the terms:
5 + x2 = -5 + 5

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

The solution to this equation could not be determined.

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