X^2-2x-18=0equation

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Solution for X^2-2x-18=0equation equation:


Simplifying
X2 + -2x + -18 = 0equation

Reorder the terms:
-18 + X2 + -2x = 0equation

Anything times zero is zero.
-18 + X2 + -2x = 0aeinoqtu

Solving
-18 + X2 + -2x = 0

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 + X2 + 18 + -2x = 0 + 18

Reorder the terms:
-18 + 18 + X2 + -2x = 0 + 18

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

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

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

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

Simplifying
X2 = 18 + 2x

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

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

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

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

The solution to this equation could not be determined.

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