(5x+7)(3x-8)=(5x+4)(3x+5)

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Solution for (5x+7)(3x-8)=(5x+4)(3x+5) equation:


Simplifying
(5x + 7)(3x + -8) = (5x + 4)(3x + 5)

Reorder the terms:
(7 + 5x)(3x + -8) = (5x + 4)(3x + 5)

Reorder the terms:
(7 + 5x)(-8 + 3x) = (5x + 4)(3x + 5)

Multiply (7 + 5x) * (-8 + 3x)
(7(-8 + 3x) + 5x * (-8 + 3x)) = (5x + 4)(3x + 5)
((-8 * 7 + 3x * 7) + 5x * (-8 + 3x)) = (5x + 4)(3x + 5)
((-56 + 21x) + 5x * (-8 + 3x)) = (5x + 4)(3x + 5)
(-56 + 21x + (-8 * 5x + 3x * 5x)) = (5x + 4)(3x + 5)
(-56 + 21x + (-40x + 15x2)) = (5x + 4)(3x + 5)

Combine like terms: 21x + -40x = -19x
(-56 + -19x + 15x2) = (5x + 4)(3x + 5)

Reorder the terms:
-56 + -19x + 15x2 = (4 + 5x)(3x + 5)

Reorder the terms:
-56 + -19x + 15x2 = (4 + 5x)(5 + 3x)

Multiply (4 + 5x) * (5 + 3x)
-56 + -19x + 15x2 = (4(5 + 3x) + 5x * (5 + 3x))
-56 + -19x + 15x2 = ((5 * 4 + 3x * 4) + 5x * (5 + 3x))
-56 + -19x + 15x2 = ((20 + 12x) + 5x * (5 + 3x))
-56 + -19x + 15x2 = (20 + 12x + (5 * 5x + 3x * 5x))
-56 + -19x + 15x2 = (20 + 12x + (25x + 15x2))

Combine like terms: 12x + 25x = 37x
-56 + -19x + 15x2 = (20 + 37x + 15x2)

Add '-15x2' to each side of the equation.
-56 + -19x + 15x2 + -15x2 = 20 + 37x + 15x2 + -15x2

Combine like terms: 15x2 + -15x2 = 0
-56 + -19x + 0 = 20 + 37x + 15x2 + -15x2
-56 + -19x = 20 + 37x + 15x2 + -15x2

Combine like terms: 15x2 + -15x2 = 0
-56 + -19x = 20 + 37x + 0
-56 + -19x = 20 + 37x

Solving
-56 + -19x = 20 + 37x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-37x' to each side of the equation.
-56 + -19x + -37x = 20 + 37x + -37x

Combine like terms: -19x + -37x = -56x
-56 + -56x = 20 + 37x + -37x

Combine like terms: 37x + -37x = 0
-56 + -56x = 20 + 0
-56 + -56x = 20

Add '56' to each side of the equation.
-56 + 56 + -56x = 20 + 56

Combine like terms: -56 + 56 = 0
0 + -56x = 20 + 56
-56x = 20 + 56

Combine like terms: 20 + 56 = 76
-56x = 76

Divide each side by '-56'.
x = -1.357142857

Simplifying
x = -1.357142857

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