X^2-18=-2x-3

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Solution for X^2-18=-2x-3 equation:


Simplifying
X2 + -18 = -2x + -3

Reorder the terms:
-18 + X2 = -2x + -3

Reorder the terms:
-18 + X2 = -3 + -2x

Solving
-18 + X2 = -3 + -2x

Solving for variable 'X'.

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

Add '18' to each side of the equation.
-18 + 18 + X2 = -3 + 18 + -2x

Combine like terms: -18 + 18 = 0
0 + X2 = -3 + 18 + -2x
X2 = -3 + 18 + -2x

Combine like terms: -3 + 18 = 15
X2 = 15 + -2x

Simplifying
X2 = 15 + -2x

Reorder the terms:
-15 + X2 + 2x = 15 + -2x + -15 + 2x

Reorder the terms:
-15 + X2 + 2x = 15 + -15 + -2x + 2x

Combine like terms: 15 + -15 = 0
-15 + X2 + 2x = 0 + -2x + 2x
-15 + X2 + 2x = -2x + 2x

Combine like terms: -2x + 2x = 0
-15 + X2 + 2x = 0

The solution to this equation could not be determined.

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