13=-x^2-12

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Solution for 13=-x^2-12 equation:


Simplifying
13 = -1x2 + -12

Reorder the terms:
13 = -12 + -1x2

Solving
13 = -12 + -1x2

Solving for variable 'x'.

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

Add 'x2' to each side of the equation.
13 + x2 = -12 + -1x2 + x2

Combine like terms: -1x2 + x2 = 0
13 + x2 = -12 + 0
13 + x2 = -12

Add '-13' to each side of the equation.
13 + -13 + x2 = -12 + -13

Combine like terms: 13 + -13 = 0
0 + x2 = -12 + -13
x2 = -12 + -13

Combine like terms: -12 + -13 = -25
x2 = -25

Simplifying
x2 = -25

Reorder the terms:
25 + x2 = -25 + 25

Combine like terms: -25 + 25 = 0
25 + x2 = 0

The solution to this equation could not be determined.

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