(2x+3)(x-4)+(2x+3)(x-6)=0

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Solution for (2x+3)(x-4)+(2x+3)(x-6)=0 equation:


Simplifying
(2x + 3)(x + -4) + (2x + 3)(x + -6) = 0

Reorder the terms:
(3 + 2x)(x + -4) + (2x + 3)(x + -6) = 0

Reorder the terms:
(3 + 2x)(-4 + x) + (2x + 3)(x + -6) = 0

Multiply (3 + 2x) * (-4 + x)
(3(-4 + x) + 2x * (-4 + x)) + (2x + 3)(x + -6) = 0
((-4 * 3 + x * 3) + 2x * (-4 + x)) + (2x + 3)(x + -6) = 0
((-12 + 3x) + 2x * (-4 + x)) + (2x + 3)(x + -6) = 0
(-12 + 3x + (-4 * 2x + x * 2x)) + (2x + 3)(x + -6) = 0
(-12 + 3x + (-8x + 2x2)) + (2x + 3)(x + -6) = 0

Combine like terms: 3x + -8x = -5x
(-12 + -5x + 2x2) + (2x + 3)(x + -6) = 0

Reorder the terms:
-12 + -5x + 2x2 + (3 + 2x)(x + -6) = 0

Reorder the terms:
-12 + -5x + 2x2 + (3 + 2x)(-6 + x) = 0

Multiply (3 + 2x) * (-6 + x)
-12 + -5x + 2x2 + (3(-6 + x) + 2x * (-6 + x)) = 0
-12 + -5x + 2x2 + ((-6 * 3 + x * 3) + 2x * (-6 + x)) = 0
-12 + -5x + 2x2 + ((-18 + 3x) + 2x * (-6 + x)) = 0
-12 + -5x + 2x2 + (-18 + 3x + (-6 * 2x + x * 2x)) = 0
-12 + -5x + 2x2 + (-18 + 3x + (-12x + 2x2)) = 0

Combine like terms: 3x + -12x = -9x
-12 + -5x + 2x2 + (-18 + -9x + 2x2) = 0

Reorder the terms:
-12 + -18 + -5x + -9x + 2x2 + 2x2 = 0

Combine like terms: -12 + -18 = -30
-30 + -5x + -9x + 2x2 + 2x2 = 0

Combine like terms: -5x + -9x = -14x
-30 + -14x + 2x2 + 2x2 = 0

Combine like terms: 2x2 + 2x2 = 4x2
-30 + -14x + 4x2 = 0

Solving
-30 + -14x + 4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-15 + -7x + 2x2) = 0

Factor a trinomial.
2((-3 + -2x)(5 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-3 + -2x)' equal to zero and attempt to solve: Simplifying -3 + -2x = 0 Solving -3 + -2x = 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 + -2x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2x = 0 + 3 -2x = 0 + 3 Combine like terms: 0 + 3 = 3 -2x = 3 Divide each side by '-2'. x = -1.5 Simplifying x = -1.5

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 = {-1.5, 5}

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