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

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


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

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

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

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

Combine like terms: -1x + 6x = 5x
(-2 + 5x + 3x2) = (5x + 1)(x + -2)

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

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

Multiply (1 + 5x) * (-2 + x)
-2 + 5x + 3x2 = (1(-2 + x) + 5x * (-2 + x))
-2 + 5x + 3x2 = ((-2 * 1 + x * 1) + 5x * (-2 + x))
-2 + 5x + 3x2 = ((-2 + 1x) + 5x * (-2 + x))
-2 + 5x + 3x2 = (-2 + 1x + (-2 * 5x + x * 5x))
-2 + 5x + 3x2 = (-2 + 1x + (-10x + 5x2))

Combine like terms: 1x + -10x = -9x
-2 + 5x + 3x2 = (-2 + -9x + 5x2)

Add '2' to each side of the equation.
-2 + 5x + 2 + 3x2 = -2 + -9x + 2 + 5x2

Reorder the terms:
-2 + 2 + 5x + 3x2 = -2 + -9x + 2 + 5x2

Combine like terms: -2 + 2 = 0
0 + 5x + 3x2 = -2 + -9x + 2 + 5x2
5x + 3x2 = -2 + -9x + 2 + 5x2

Reorder the terms:
5x + 3x2 = -2 + 2 + -9x + 5x2

Combine like terms: -2 + 2 = 0
5x + 3x2 = 0 + -9x + 5x2
5x + 3x2 = -9x + 5x2

Solving
5x + 3x2 = -9x + 5x2

Solving for variable 'x'.

Reorder the terms:
5x + 9x + 3x2 + -5x2 = -9x + 5x2 + 9x + -5x2

Combine like terms: 5x + 9x = 14x
14x + 3x2 + -5x2 = -9x + 5x2 + 9x + -5x2

Combine like terms: 3x2 + -5x2 = -2x2
14x + -2x2 = -9x + 5x2 + 9x + -5x2

Reorder the terms:
14x + -2x2 = -9x + 9x + 5x2 + -5x2

Combine like terms: -9x + 9x = 0
14x + -2x2 = 0 + 5x2 + -5x2
14x + -2x2 = 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
14x + -2x2 = 0

Factor out the Greatest Common Factor (GCF), '2x'.
2x(7 + -1x) = 0

Ignore the factor 2.

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 '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {0, 7}

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