(3x-1)(x+5)=(3x-1)(2x+4)

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Solution for (3x-1)(x+5)=(3x-1)(2x+4) equation:


Simplifying
(3x + -1)(x + 5) = (3x + -1)(2x + 4)

Reorder the terms:
(-1 + 3x)(x + 5) = (3x + -1)(2x + 4)

Reorder the terms:
(-1 + 3x)(5 + x) = (3x + -1)(2x + 4)

Multiply (-1 + 3x) * (5 + x)
(-1(5 + x) + 3x * (5 + x)) = (3x + -1)(2x + 4)
((5 * -1 + x * -1) + 3x * (5 + x)) = (3x + -1)(2x + 4)
((-5 + -1x) + 3x * (5 + x)) = (3x + -1)(2x + 4)
(-5 + -1x + (5 * 3x + x * 3x)) = (3x + -1)(2x + 4)
(-5 + -1x + (15x + 3x2)) = (3x + -1)(2x + 4)

Combine like terms: -1x + 15x = 14x
(-5 + 14x + 3x2) = (3x + -1)(2x + 4)

Reorder the terms:
-5 + 14x + 3x2 = (-1 + 3x)(2x + 4)

Reorder the terms:
-5 + 14x + 3x2 = (-1 + 3x)(4 + 2x)

Multiply (-1 + 3x) * (4 + 2x)
-5 + 14x + 3x2 = (-1(4 + 2x) + 3x * (4 + 2x))
-5 + 14x + 3x2 = ((4 * -1 + 2x * -1) + 3x * (4 + 2x))
-5 + 14x + 3x2 = ((-4 + -2x) + 3x * (4 + 2x))
-5 + 14x + 3x2 = (-4 + -2x + (4 * 3x + 2x * 3x))
-5 + 14x + 3x2 = (-4 + -2x + (12x + 6x2))

Combine like terms: -2x + 12x = 10x
-5 + 14x + 3x2 = (-4 + 10x + 6x2)

Solving
-5 + 14x + 3x2 = -4 + 10x + 6x2

Solving for variable 'x'.

Reorder the terms:
-5 + 4 + 14x + -10x + 3x2 + -6x2 = -4 + 10x + 6x2 + 4 + -10x + -6x2

Combine like terms: -5 + 4 = -1
-1 + 14x + -10x + 3x2 + -6x2 = -4 + 10x + 6x2 + 4 + -10x + -6x2

Combine like terms: 14x + -10x = 4x
-1 + 4x + 3x2 + -6x2 = -4 + 10x + 6x2 + 4 + -10x + -6x2

Combine like terms: 3x2 + -6x2 = -3x2
-1 + 4x + -3x2 = -4 + 10x + 6x2 + 4 + -10x + -6x2

Reorder the terms:
-1 + 4x + -3x2 = -4 + 4 + 10x + -10x + 6x2 + -6x2

Combine like terms: -4 + 4 = 0
-1 + 4x + -3x2 = 0 + 10x + -10x + 6x2 + -6x2
-1 + 4x + -3x2 = 10x + -10x + 6x2 + -6x2

Combine like terms: 10x + -10x = 0
-1 + 4x + -3x2 = 0 + 6x2 + -6x2
-1 + 4x + -3x2 = 6x2 + -6x2

Combine like terms: 6x2 + -6x2 = 0
-1 + 4x + -3x2 = 0

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

Subproblem 1

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

Subproblem 2

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

Solution

x = {1, 0.3333333333}

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