5y(2y+1)(2y+3)=

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Solution for 5y(2y+1)(2y+3)= equation:


Simplifying
5y(2y + 1)(2y + 3) = 0

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

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

Multiply (1 + 2y) * (3 + 2y)
5y(1(3 + 2y) + 2y * (3 + 2y)) = 0
5y((3 * 1 + 2y * 1) + 2y * (3 + 2y)) = 0
5y((3 + 2y) + 2y * (3 + 2y)) = 0
5y(3 + 2y + (3 * 2y + 2y * 2y)) = 0
5y(3 + 2y + (6y + 4y2)) = 0

Combine like terms: 2y + 6y = 8y
5y(3 + 8y + 4y2) = 0
(3 * 5y + 8y * 5y + 4y2 * 5y) = 0
(15y + 40y2 + 20y3) = 0

Solving
15y + 40y2 + 20y3 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '5y'.
5y(3 + 8y + 4y2) = 0

Factor a trinomial.
5y((3 + 2y)(1 + 2y)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor 'y' equal to zero and attempt to solve: Simplifying y = 0 Solving y = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y = 0

Subproblem 2

Set the factor '(3 + 2y)' equal to zero and attempt to solve: Simplifying 3 + 2y = 0 Solving 3 + 2y = 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 + 2y = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2y = 0 + -3 2y = 0 + -3 Combine like terms: 0 + -3 = -3 2y = -3 Divide each side by '2'. y = -1.5 Simplifying y = -1.5

Subproblem 3

Set the factor '(1 + 2y)' equal to zero and attempt to solve: Simplifying 1 + 2y = 0 Solving 1 + 2y = 0 Move all terms containing y to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 2y = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2y = 0 + -1 2y = 0 + -1 Combine like terms: 0 + -1 = -1 2y = -1 Divide each side by '2'. y = -0.5 Simplifying y = -0.5

Solution

y = {0, -1.5, -0.5}

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