(x-2)(x-5)+(x-2)(3x-1)=0

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Solution for (x-2)(x-5)+(x-2)(3x-1)=0 equation:


Simplifying
(x + -2)(x + -5) + (x + -2)(3x + -1) = 0

Reorder the terms:
(-2 + x)(x + -5) + (x + -2)(3x + -1) = 0

Reorder the terms:
(-2 + x)(-5 + x) + (x + -2)(3x + -1) = 0

Multiply (-2 + x) * (-5 + x)
(-2(-5 + x) + x(-5 + x)) + (x + -2)(3x + -1) = 0
((-5 * -2 + x * -2) + x(-5 + x)) + (x + -2)(3x + -1) = 0
((10 + -2x) + x(-5 + x)) + (x + -2)(3x + -1) = 0
(10 + -2x + (-5 * x + x * x)) + (x + -2)(3x + -1) = 0
(10 + -2x + (-5x + x2)) + (x + -2)(3x + -1) = 0

Combine like terms: -2x + -5x = -7x
(10 + -7x + x2) + (x + -2)(3x + -1) = 0

Reorder the terms:
10 + -7x + x2 + (-2 + x)(3x + -1) = 0

Reorder the terms:
10 + -7x + x2 + (-2 + x)(-1 + 3x) = 0

Multiply (-2 + x) * (-1 + 3x)
10 + -7x + x2 + (-2(-1 + 3x) + x(-1 + 3x)) = 0
10 + -7x + x2 + ((-1 * -2 + 3x * -2) + x(-1 + 3x)) = 0
10 + -7x + x2 + ((2 + -6x) + x(-1 + 3x)) = 0
10 + -7x + x2 + (2 + -6x + (-1 * x + 3x * x)) = 0
10 + -7x + x2 + (2 + -6x + (-1x + 3x2)) = 0

Combine like terms: -6x + -1x = -7x
10 + -7x + x2 + (2 + -7x + 3x2) = 0

Reorder the terms:
10 + 2 + -7x + -7x + x2 + 3x2 = 0

Combine like terms: 10 + 2 = 12
12 + -7x + -7x + x2 + 3x2 = 0

Combine like terms: -7x + -7x = -14x
12 + -14x + x2 + 3x2 = 0

Combine like terms: x2 + 3x2 = 4x2
12 + -14x + 4x2 = 0

Solving
12 + -14x + 4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(6 + -7x + 2x2) = 0

Factor a trinomial.
2((3 + -2x)(2 + -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 '(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

Solution

x = {1.5, 2}

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