(6x-5x^2+8)(-3x)=

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Solution for (6x-5x^2+8)(-3x)= equation:


Simplifying
(6x + -5x2 + 8)(-3x) = 0

Reorder the terms:
(8 + 6x + -5x2)(-3x) = 0

Remove parenthesis around (-3x)
(8 + 6x + -5x2) * -3x = 0

Reorder the terms for easier multiplication:
-3x(8 + 6x + -5x2) = 0
(8 * -3x + 6x * -3x + -5x2 * -3x) = 0
(-24x + -18x2 + 15x3) = 0

Solving
-24x + -18x2 + 15x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x'.
3x(-8 + -6x + 5x2) = 0

Factor a trinomial.
3x((-4 + -5x)(2 + -1x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(-4 + -5x)' equal to zero and attempt to solve: Simplifying -4 + -5x = 0 Solving -4 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -5x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -5x = 0 + 4 -5x = 0 + 4 Combine like terms: 0 + 4 = 4 -5x = 4 Divide each side by '-5'. x = -0.8 Simplifying x = -0.8

Subproblem 3

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, -0.8, 2}

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