9x^2+8=18x

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Solution for 9x^2+8=18x equation:


Simplifying
9x2 + 8 = 18x

Reorder the terms:
8 + 9x2 = 18x

Solving
8 + 9x2 = 18x

Solving for variable 'x'.

Reorder the terms:
8 + -18x + 9x2 = 18x + -18x

Combine like terms: 18x + -18x = 0
8 + -18x + 9x2 = 0

Factor a trinomial.
(2 + -3x)(4 + -3x) = 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 '(4 + -3x)' equal to zero and attempt to solve: Simplifying 4 + -3x = 0 Solving 4 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -3x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3x = 0 + -4 -3x = 0 + -4 Combine like terms: 0 + -4 = -4 -3x = -4 Divide each side by '-3'. x = 1.333333333 Simplifying x = 1.333333333

Solution

x = {0.6666666667, 1.333333333}

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