X^2+18x+81=15

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Solution for X^2+18x+81=15 equation: 


Simplifying
X2 + 18x + 81 = 15

Reorder the terms:
81 + X2 + 18x = 15

Solving
81 + X2 + 18x = 15

Solving for variable 'X'.

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

Add '-81' to each side of the equation.
81 + X2 + -81 + 18x = 15 + -81

Reorder the terms:
81 + -81 + X2 + 18x = 15 + -81

Combine like terms: 81 + -81 = 0
0 + X2 + 18x = 15 + -81
X2 + 18x = 15 + -81

Combine like terms: 15 + -81 = -66
X2 + 18x = -66

Add '-18x' to each side of the equation.
X2 + 18x + -18x = -66 + -18x

Combine like terms: 18x + -18x = 0
X2 + 0 = -66 + -18x
X2 = -66 + -18x

Simplifying
X2 = -66 + -18x

Reorder the terms:
66 + X2 + 18x = -66 + -18x + 66 + 18x

Reorder the terms:
66 + X2 + 18x = -66 + 66 + -18x + 18x

Combine like terms: -66 + 66 = 0
66 + X2 + 18x = 0 + -18x + 18x
66 + X2 + 18x = -18x + 18x

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

The solution to this equation could not be determined.

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