(3x+6)(2x-4)=(5x-11)(x+2)

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Solution for (3x+6)(2x-4)=(5x-11)(x+2) equation:


Simplifying
(3x + 6)(2x + -4) = (5x + -11)(x + 2)

Reorder the terms:
(6 + 3x)(2x + -4) = (5x + -11)(x + 2)

Reorder the terms:
(6 + 3x)(-4 + 2x) = (5x + -11)(x + 2)

Multiply (6 + 3x) * (-4 + 2x)
(6(-4 + 2x) + 3x * (-4 + 2x)) = (5x + -11)(x + 2)
((-4 * 6 + 2x * 6) + 3x * (-4 + 2x)) = (5x + -11)(x + 2)
((-24 + 12x) + 3x * (-4 + 2x)) = (5x + -11)(x + 2)
(-24 + 12x + (-4 * 3x + 2x * 3x)) = (5x + -11)(x + 2)
(-24 + 12x + (-12x + 6x2)) = (5x + -11)(x + 2)

Combine like terms: 12x + -12x = 0
(-24 + 0 + 6x2) = (5x + -11)(x + 2)
(-24 + 6x2) = (5x + -11)(x + 2)

Reorder the terms:
-24 + 6x2 = (-11 + 5x)(x + 2)

Reorder the terms:
-24 + 6x2 = (-11 + 5x)(2 + x)

Multiply (-11 + 5x) * (2 + x)
-24 + 6x2 = (-11(2 + x) + 5x * (2 + x))
-24 + 6x2 = ((2 * -11 + x * -11) + 5x * (2 + x))
-24 + 6x2 = ((-22 + -11x) + 5x * (2 + x))
-24 + 6x2 = (-22 + -11x + (2 * 5x + x * 5x))
-24 + 6x2 = (-22 + -11x + (10x + 5x2))

Combine like terms: -11x + 10x = -1x
-24 + 6x2 = (-22 + -1x + 5x2)

Solving
-24 + 6x2 = -22 + -1x + 5x2

Solving for variable 'x'.

Reorder the terms:
-24 + 22 + x + 6x2 + -5x2 = -22 + -1x + 5x2 + 22 + x + -5x2

Combine like terms: -24 + 22 = -2
-2 + x + 6x2 + -5x2 = -22 + -1x + 5x2 + 22 + x + -5x2

Combine like terms: 6x2 + -5x2 = 1x2
-2 + x + 1x2 = -22 + -1x + 5x2 + 22 + x + -5x2

Reorder the terms:
-2 + x + 1x2 = -22 + 22 + -1x + x + 5x2 + -5x2

Combine like terms: -22 + 22 = 0
-2 + x + 1x2 = 0 + -1x + x + 5x2 + -5x2
-2 + x + 1x2 = -1x + x + 5x2 + -5x2

Combine like terms: -1x + x = 0
-2 + x + 1x2 = 0 + 5x2 + -5x2
-2 + x + 1x2 = 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
-2 + x + 1x2 = 0

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

Subproblem 1

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

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 = {-2, 1}

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