6x^2-7x-2=8

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


Simplifying
6x2 + -7x + -2 = 8

Reorder the terms:
-2 + -7x + 6x2 = 8

Solving
-2 + -7x + 6x2 = 8

Solving for variable 'x'.

Reorder the terms:
-2 + -8 + -7x + 6x2 = 8 + -8

Combine like terms: -2 + -8 = -10
-10 + -7x + 6x2 = 8 + -8

Combine like terms: 8 + -8 = 0
-10 + -7x + 6x2 = 0

Factor a trinomial.
(-5 + -6x)(2 + -1x) = 0

Subproblem 1

Set the factor '(-5 + -6x)' equal to zero and attempt to solve: Simplifying -5 + -6x = 0 Solving -5 + -6x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -6x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -6x = 0 + 5 -6x = 0 + 5 Combine like terms: 0 + 5 = 5 -6x = 5 Divide each side by '-6'. x = -0.8333333333 Simplifying x = -0.8333333333

Subproblem 2

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

Solution

x = {-0.8333333333, 2}

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