2x^2=68-9x

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Solution for 2x^2=68-9x equation:


Simplifying
2x2 = 68 + -9x

Solving
2x2 = 68 + -9x

Solving for variable 'x'.

Reorder the terms:
-68 + 9x + 2x2 = 68 + -9x + -68 + 9x

Reorder the terms:
-68 + 9x + 2x2 = 68 + -68 + -9x + 9x

Combine like terms: 68 + -68 = 0
-68 + 9x + 2x2 = 0 + -9x + 9x
-68 + 9x + 2x2 = -9x + 9x

Combine like terms: -9x + 9x = 0
-68 + 9x + 2x2 = 0

Factor a trinomial.
(-17 + -2x)(4 + -1x) = 0

Subproblem 1

Set the factor '(-17 + -2x)' equal to zero and attempt to solve: Simplifying -17 + -2x = 0 Solving -17 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '17' to each side of the equation. -17 + 17 + -2x = 0 + 17 Combine like terms: -17 + 17 = 0 0 + -2x = 0 + 17 -2x = 0 + 17 Combine like terms: 0 + 17 = 17 -2x = 17 Divide each side by '-2'. x = -8.5 Simplifying x = -8.5

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 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 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {-8.5, 4}

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