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

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


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

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

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

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

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

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

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

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

Solving
-3 + 5x + 2x2 = 6 + -1x + -1x2

Solving for variable 'x'.

Reorder the terms:
-3 + -6 + 5x + x + 2x2 + x2 = 6 + -1x + -1x2 + -6 + x + x2

Combine like terms: -3 + -6 = -9
-9 + 5x + x + 2x2 + x2 = 6 + -1x + -1x2 + -6 + x + x2

Combine like terms: 5x + x = 6x
-9 + 6x + 2x2 + x2 = 6 + -1x + -1x2 + -6 + x + x2

Combine like terms: 2x2 + x2 = 3x2
-9 + 6x + 3x2 = 6 + -1x + -1x2 + -6 + x + x2

Reorder the terms:
-9 + 6x + 3x2 = 6 + -6 + -1x + x + -1x2 + x2

Combine like terms: 6 + -6 = 0
-9 + 6x + 3x2 = 0 + -1x + x + -1x2 + x2
-9 + 6x + 3x2 = -1x + x + -1x2 + x2

Combine like terms: -1x + x = 0
-9 + 6x + 3x2 = 0 + -1x2 + x2
-9 + 6x + 3x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-9 + 6x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-3 + 2x + x2) = 0

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

Ignore the factor 3.

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

Subproblem 2

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

Solution

x = {-3, 1}

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