5*x^2-18*x=-13

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Solution for 5*x^2-18*x=-13 equation:


Simplifying
5x2 + -18x = -13

Reorder the terms:
-18x + 5x2 = -13

Solving
-18x + 5x2 = -13

Solving for variable 'x'.

Reorder the terms:
13 + -18x + 5x2 = -13 + 13

Combine like terms: -13 + 13 = 0
13 + -18x + 5x2 = 0

Factor a trinomial.
(1 + -1x)(13 + -5x) = 0

Subproblem 1

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Subproblem 2

Set the factor '(13 + -5x)' equal to zero and attempt to solve: Simplifying 13 + -5x = 0 Solving 13 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + -5x = 0 + -13 Combine like terms: 13 + -13 = 0 0 + -5x = 0 + -13 -5x = 0 + -13 Combine like terms: 0 + -13 = -13 -5x = -13 Divide each side by '-5'. x = 2.6 Simplifying x = 2.6

Solution

x = {1, 2.6}

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