9=-a^2-18

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Solution for 9=-a^2-18 equation:


Simplifying
9 = -1a2 + -18

Reorder the terms:
9 = -18 + -1a2

Solving
9 = -18 + -1a2

Solving for variable 'a'.

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

Add 'a2' to each side of the equation.
9 + a2 = -18 + -1a2 + a2

Combine like terms: -1a2 + a2 = 0
9 + a2 = -18 + 0
9 + a2 = -18

Add '-9' to each side of the equation.
9 + -9 + a2 = -18 + -9

Combine like terms: 9 + -9 = 0
0 + a2 = -18 + -9
a2 = -18 + -9

Combine like terms: -18 + -9 = -27
a2 = -27

Simplifying
a2 = -27

Reorder the terms:
27 + a2 = -27 + 27

Combine like terms: -27 + 27 = 0
27 + a2 = 0

The solution to this equation could not be determined.

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