3x^2-15x+8=-5x

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Solution for 3x^2-15x+8=-5x equation:


Simplifying
3x2 + -15x + 8 = -5x

Reorder the terms:
8 + -15x + 3x2 = -5x

Solving
8 + -15x + 3x2 = -5x

Solving for variable 'x'.

Reorder the terms:
8 + -15x + 5x + 3x2 = -5x + 5x

Combine like terms: -15x + 5x = -10x
8 + -10x + 3x2 = -5x + 5x

Combine like terms: -5x + 5x = 0
8 + -10x + 3x2 = 0

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

Subproblem 1

Set the factor '(4 + -3x)' equal to zero and attempt to solve: Simplifying 4 + -3x = 0 Solving 4 + -3x = 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 + -3x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3x = 0 + -4 -3x = 0 + -4 Combine like terms: 0 + -4 = -4 -3x = -4 Divide each side by '-3'. x = 1.333333333 Simplifying x = 1.333333333

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 = {1.333333333, 2}

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