8x^2-6x-4=-5

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Solution for 8x^2-6x-4=-5 equation:


Simplifying
8x2 + -6x + -4 = -5

Reorder the terms:
-4 + -6x + 8x2 = -5

Solving
-4 + -6x + 8x2 = -5

Solving for variable 'x'.

Reorder the terms:
-4 + 5 + -6x + 8x2 = -5 + 5

Combine like terms: -4 + 5 = 1
1 + -6x + 8x2 = -5 + 5

Combine like terms: -5 + 5 = 0
1 + -6x + 8x2 = 0

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

Subproblem 1

Set the factor '(1 + -4x)' equal to zero and attempt to solve: Simplifying 1 + -4x = 0 Solving 1 + -4x = 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 + -4x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -4x = 0 + -1 -4x = 0 + -1 Combine like terms: 0 + -1 = -1 -4x = -1 Divide each side by '-4'. x = 0.25 Simplifying x = 0.25

Subproblem 2

Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 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 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Solution

x = {0.25, 0.5}

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