x(2)+18x+81=0

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Solution for x(2)+18x+81=0 equation:


Simplifying
x(2) + 18x + 81 = 0

Reorder the terms for easier multiplication:
2x + 18x + 81 = 0

Reorder the terms:
81 + 2x + 18x = 0

Combine like terms: 2x + 18x = 20x
81 + 20x = 0

Solving
81 + 20x = 0

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 + -81 + 20x = 0 + -81

Combine like terms: 81 + -81 = 0
0 + 20x = 0 + -81
20x = 0 + -81

Combine like terms: 0 + -81 = -81
20x = -81

Divide each side by '20'.
x = -4.05

Simplifying
x = -4.05

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