(x-5)(3x+1)=0

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Solution for (x-5)(3x+1)=0 equation:


Simplifying
(x + -5)(3x + 1) = 0

Reorder the terms:
(-5 + x)(3x + 1) = 0

Reorder the terms:
(-5 + x)(1 + 3x) = 0

Multiply (-5 + x) * (1 + 3x)
(-5(1 + 3x) + x(1 + 3x)) = 0
((1 * -5 + 3x * -5) + x(1 + 3x)) = 0
((-5 + -15x) + x(1 + 3x)) = 0
(-5 + -15x + (1 * x + 3x * x)) = 0
(-5 + -15x + (1x + 3x2)) = 0

Combine like terms: -15x + 1x = -14x
(-5 + -14x + 3x2) = 0

Solving
-5 + -14x + 3x2 = 0

Solving for variable 'x'.

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

Subproblem 1

Set the factor '(-1 + -3x)' equal to zero and attempt to solve: Simplifying -1 + -3x = 0 Solving -1 + -3x = 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 + -3x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -3x = 0 + 1 -3x = 0 + 1 Combine like terms: 0 + 1 = 1 -3x = 1 Divide each side by '-3'. x = -0.3333333333 Simplifying x = -0.3333333333

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-0.3333333333, 5}

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