6x^2+18=31x

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Solution for 6x^2+18=31x equation:


Simplifying
6x2 + 18 = 31x

Reorder the terms:
18 + 6x2 = 31x

Solving
18 + 6x2 = 31x

Solving for variable 'x'.

Reorder the terms:
18 + -31x + 6x2 = 31x + -31x

Combine like terms: 31x + -31x = 0
18 + -31x + 6x2 = 0

Factor a trinomial.
(2 + -3x)(9 + -2x) = 0

Subproblem 1

Set the factor '(2 + -3x)' equal to zero and attempt to solve: Simplifying 2 + -3x = 0 Solving 2 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3x = 0 + -2 -3x = 0 + -2 Combine like terms: 0 + -2 = -2 -3x = -2 Divide each side by '-3'. x = 0.6666666667 Simplifying x = 0.6666666667

Subproblem 2

Set the factor '(9 + -2x)' equal to zero and attempt to solve: Simplifying 9 + -2x = 0 Solving 9 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -2x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -2x = 0 + -9 -2x = 0 + -9 Combine like terms: 0 + -9 = -9 -2x = -9 Divide each side by '-2'. x = 4.5 Simplifying x = 4.5

Solution

x = {0.6666666667, 4.5}

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