(3y+4)(y+2)=5(3y+4)

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


Simplifying
(3y + 4)(y + 2) = 5(3y + 4)

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

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

Multiply (4 + 3y) * (2 + y)
(4(2 + y) + 3y * (2 + y)) = 5(3y + 4)
((2 * 4 + y * 4) + 3y * (2 + y)) = 5(3y + 4)
((8 + 4y) + 3y * (2 + y)) = 5(3y + 4)
(8 + 4y + (2 * 3y + y * 3y)) = 5(3y + 4)
(8 + 4y + (6y + 3y2)) = 5(3y + 4)

Combine like terms: 4y + 6y = 10y
(8 + 10y + 3y2) = 5(3y + 4)

Reorder the terms:
8 + 10y + 3y2 = 5(4 + 3y)
8 + 10y + 3y2 = (4 * 5 + 3y * 5)
8 + 10y + 3y2 = (20 + 15y)

Solving
8 + 10y + 3y2 = 20 + 15y

Solving for variable 'y'.

Reorder the terms:
8 + -20 + 10y + -15y + 3y2 = 20 + 15y + -20 + -15y

Combine like terms: 8 + -20 = -12
-12 + 10y + -15y + 3y2 = 20 + 15y + -20 + -15y

Combine like terms: 10y + -15y = -5y
-12 + -5y + 3y2 = 20 + 15y + -20 + -15y

Reorder the terms:
-12 + -5y + 3y2 = 20 + -20 + 15y + -15y

Combine like terms: 20 + -20 = 0
-12 + -5y + 3y2 = 0 + 15y + -15y
-12 + -5y + 3y2 = 15y + -15y

Combine like terms: 15y + -15y = 0
-12 + -5y + 3y2 = 0

Factor a trinomial.
(-4 + -3y)(3 + -1y) = 0

Subproblem 1

Set the factor '(-4 + -3y)' equal to zero and attempt to solve: Simplifying -4 + -3y = 0 Solving -4 + -3y = 0 Move all terms containing y to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -3y = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -3y = 0 + 4 -3y = 0 + 4 Combine like terms: 0 + 4 = 4 -3y = 4 Divide each side by '-3'. y = -1.333333333 Simplifying y = -1.333333333

Subproblem 2

Set the factor '(3 + -1y)' equal to zero and attempt to solve: Simplifying 3 + -1y = 0 Solving 3 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1y = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1y = 0 + -3 -1y = 0 + -3 Combine like terms: 0 + -3 = -3 -1y = -3 Divide each side by '-1'. y = 3 Simplifying y = 3

Solution

y = {-1.333333333, 3}

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