(3x+5)(4x+7)=(3x+4)(4x+2)

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Solution for (3x+5)(4x+7)=(3x+4)(4x+2) equation:


Simplifying
(3x + 5)(4x + 7) = (3x + 4)(4x + 2)

Reorder the terms:
(5 + 3x)(4x + 7) = (3x + 4)(4x + 2)

Reorder the terms:
(5 + 3x)(7 + 4x) = (3x + 4)(4x + 2)

Multiply (5 + 3x) * (7 + 4x)
(5(7 + 4x) + 3x * (7 + 4x)) = (3x + 4)(4x + 2)
((7 * 5 + 4x * 5) + 3x * (7 + 4x)) = (3x + 4)(4x + 2)
((35 + 20x) + 3x * (7 + 4x)) = (3x + 4)(4x + 2)
(35 + 20x + (7 * 3x + 4x * 3x)) = (3x + 4)(4x + 2)
(35 + 20x + (21x + 12x2)) = (3x + 4)(4x + 2)

Combine like terms: 20x + 21x = 41x
(35 + 41x + 12x2) = (3x + 4)(4x + 2)

Reorder the terms:
35 + 41x + 12x2 = (4 + 3x)(4x + 2)

Reorder the terms:
35 + 41x + 12x2 = (4 + 3x)(2 + 4x)

Multiply (4 + 3x) * (2 + 4x)
35 + 41x + 12x2 = (4(2 + 4x) + 3x * (2 + 4x))
35 + 41x + 12x2 = ((2 * 4 + 4x * 4) + 3x * (2 + 4x))
35 + 41x + 12x2 = ((8 + 16x) + 3x * (2 + 4x))
35 + 41x + 12x2 = (8 + 16x + (2 * 3x + 4x * 3x))
35 + 41x + 12x2 = (8 + 16x + (6x + 12x2))

Combine like terms: 16x + 6x = 22x
35 + 41x + 12x2 = (8 + 22x + 12x2)

Add '-12x2' to each side of the equation.
35 + 41x + 12x2 + -12x2 = 8 + 22x + 12x2 + -12x2

Combine like terms: 12x2 + -12x2 = 0
35 + 41x + 0 = 8 + 22x + 12x2 + -12x2
35 + 41x = 8 + 22x + 12x2 + -12x2

Combine like terms: 12x2 + -12x2 = 0
35 + 41x = 8 + 22x + 0
35 + 41x = 8 + 22x

Solving
35 + 41x = 8 + 22x

Solving for variable 'x'.

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

Add '-22x' to each side of the equation.
35 + 41x + -22x = 8 + 22x + -22x

Combine like terms: 41x + -22x = 19x
35 + 19x = 8 + 22x + -22x

Combine like terms: 22x + -22x = 0
35 + 19x = 8 + 0
35 + 19x = 8

Add '-35' to each side of the equation.
35 + -35 + 19x = 8 + -35

Combine like terms: 35 + -35 = 0
0 + 19x = 8 + -35
19x = 8 + -35

Combine like terms: 8 + -35 = -27
19x = -27

Divide each side by '19'.
x = -1.421052632

Simplifying
x = -1.421052632

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