18y+3y^3=15y^2

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Solution for 18y+3y^3=15y^2 equation:


Simplifying
18y + 3y3 = 15y2

Solving
18y + 3y3 = 15y2

Solving for variable 'y'.

Reorder the terms:
18y + -15y2 + 3y3 = 15y2 + -15y2

Combine like terms: 15y2 + -15y2 = 0
18y + -15y2 + 3y3 = 0

Factor out the Greatest Common Factor (GCF), '3y'.
3y(6 + -5y + y2) = 0

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

Ignore the factor 3.

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

Subproblem 3

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 = {0, 2, 3}

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