6x^2-5x-25=9

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Solution for 6x^2-5x-25=9 equation:


Simplifying
6x2 + -5x + -25 = 9

Reorder the terms:
-25 + -5x + 6x2 = 9

Solving
-25 + -5x + 6x2 = 9

Solving for variable 'x'.

Reorder the terms:
-25 + -9 + -5x + 6x2 = 9 + -9

Combine like terms: -25 + -9 = -34
-34 + -5x + 6x2 = 9 + -9

Combine like terms: 9 + -9 = 0
-34 + -5x + 6x2 = 0

Factor a trinomial.
(-2 + -1x)(17 + -6x) = 0

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 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 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(17 + -6x)' equal to zero and attempt to solve: Simplifying 17 + -6x = 0 Solving 17 + -6x = 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 + -6x = 0 + -17 Combine like terms: 17 + -17 = 0 0 + -6x = 0 + -17 -6x = 0 + -17 Combine like terms: 0 + -17 = -17 -6x = -17 Divide each side by '-6'. x = 2.833333333 Simplifying x = 2.833333333

Solution

x = {-2, 2.833333333}

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