(x-8)(5x+4)-(x-8)(2x+6)=0

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Solution for (x-8)(5x+4)-(x-8)(2x+6)=0 equation:


Simplifying
(x + -8)(5x + 4) + -1(x + -8)(2x + 6) = 0

Reorder the terms:
(-8 + x)(5x + 4) + -1(x + -8)(2x + 6) = 0

Reorder the terms:
(-8 + x)(4 + 5x) + -1(x + -8)(2x + 6) = 0

Multiply (-8 + x) * (4 + 5x)
(-8(4 + 5x) + x(4 + 5x)) + -1(x + -8)(2x + 6) = 0
((4 * -8 + 5x * -8) + x(4 + 5x)) + -1(x + -8)(2x + 6) = 0
((-32 + -40x) + x(4 + 5x)) + -1(x + -8)(2x + 6) = 0
(-32 + -40x + (4 * x + 5x * x)) + -1(x + -8)(2x + 6) = 0
(-32 + -40x + (4x + 5x2)) + -1(x + -8)(2x + 6) = 0

Combine like terms: -40x + 4x = -36x
(-32 + -36x + 5x2) + -1(x + -8)(2x + 6) = 0

Reorder the terms:
-32 + -36x + 5x2 + -1(-8 + x)(2x + 6) = 0

Reorder the terms:
-32 + -36x + 5x2 + -1(-8 + x)(6 + 2x) = 0

Multiply (-8 + x) * (6 + 2x)
-32 + -36x + 5x2 + -1(-8(6 + 2x) + x(6 + 2x)) = 0
-32 + -36x + 5x2 + -1((6 * -8 + 2x * -8) + x(6 + 2x)) = 0
-32 + -36x + 5x2 + -1((-48 + -16x) + x(6 + 2x)) = 0
-32 + -36x + 5x2 + -1(-48 + -16x + (6 * x + 2x * x)) = 0
-32 + -36x + 5x2 + -1(-48 + -16x + (6x + 2x2)) = 0

Combine like terms: -16x + 6x = -10x
-32 + -36x + 5x2 + -1(-48 + -10x + 2x2) = 0
-32 + -36x + 5x2 + (-48 * -1 + -10x * -1 + 2x2 * -1) = 0
-32 + -36x + 5x2 + (48 + 10x + -2x2) = 0

Reorder the terms:
-32 + 48 + -36x + 10x + 5x2 + -2x2 = 0

Combine like terms: -32 + 48 = 16
16 + -36x + 10x + 5x2 + -2x2 = 0

Combine like terms: -36x + 10x = -26x
16 + -26x + 5x2 + -2x2 = 0

Combine like terms: 5x2 + -2x2 = 3x2
16 + -26x + 3x2 = 0

Solving
16 + -26x + 3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(2 + -3x)(8 + -1x) = 0

Subproblem 1

Set the factor '(2 + -3x)' equal to zero and attempt to solve: Simplifying 2 + -3x = 0 Solving 2 + -3x = 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 + -3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3x = 0 + -2 -3x = 0 + -2 Combine like terms: 0 + -2 = -2 -3x = -2 Divide each side by '-3'. x = 0.6666666667 Simplifying x = 0.6666666667

Subproblem 2

Set the factor '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Solution

x = {0.6666666667, 8}

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