6x^2-7x-5=8

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Solution for 6x^2-7x-5=8 equation:


Simplifying
6x2 + -7x + -5 = 8

Reorder the terms:
-5 + -7x + 6x2 = 8

Solving
-5 + -7x + 6x2 = 8

Solving for variable 'x'.

Reorder the terms:
-5 + -8 + -7x + 6x2 = 8 + -8

Combine like terms: -5 + -8 = -13
-13 + -7x + 6x2 = 8 + -8

Combine like terms: 8 + -8 = 0
-13 + -7x + 6x2 = 0

Factor a trinomial.
(-1 + -1x)(13 + -6x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(13 + -6x)' equal to zero and attempt to solve: Simplifying 13 + -6x = 0 Solving 13 + -6x = 0 Move all terms containing x to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + -6x = 0 + -13 Combine like terms: 13 + -13 = 0 0 + -6x = 0 + -13 -6x = 0 + -13 Combine like terms: 0 + -13 = -13 -6x = -13 Divide each side by '-6'. x = 2.166666667 Simplifying x = 2.166666667

Solution

x = {-1, 2.166666667}

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