3x^2=9-26x

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Solution for 3x^2=9-26x equation:


Simplifying
3x2 = 9 + -26x

Solving
3x2 = 9 + -26x

Solving for variable 'x'.

Reorder the terms:
-9 + 26x + 3x2 = 9 + -26x + -9 + 26x

Reorder the terms:
-9 + 26x + 3x2 = 9 + -9 + -26x + 26x

Combine like terms: 9 + -9 = 0
-9 + 26x + 3x2 = 0 + -26x + 26x
-9 + 26x + 3x2 = -26x + 26x

Combine like terms: -26x + 26x = 0
-9 + 26x + 3x2 = 0

Factor a trinomial.
(-9 + -1x)(1 + -3x) = 0

Subproblem 1

Set the factor '(-9 + -1x)' equal to zero and attempt to solve: Simplifying -9 + -1x = 0 Solving -9 + -1x = 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 + -1x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1x = 0 + 9 -1x = 0 + 9 Combine like terms: 0 + 9 = 9 -1x = 9 Divide each side by '-1'. x = -9 Simplifying x = -9

Subproblem 2

Set the factor '(1 + -3x)' equal to zero and attempt to solve: Simplifying 1 + -3x = 0 Solving 1 + -3x = 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 + -3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3x = 0 + -1 -3x = 0 + -1 Combine like terms: 0 + -1 = -1 -3x = -1 Divide each side by '-3'. x = 0.3333333333 Simplifying x = 0.3333333333

Solution

x = {-9, 0.3333333333}

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