y^3+3y^2=4y

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Solution for y^3+3y^2=4y equation:


Simplifying
y3 + 3y2 = 4y

Reorder the terms:
3y2 + y3 = 4y

Solving
3y2 + y3 = 4y

Solving for variable 'y'.

Reorder the terms:
-4y + 3y2 + y3 = 4y + -4y

Combine like terms: 4y + -4y = 0
-4y + 3y2 + y3 = 0

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

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

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 '(-4 + -1y)' equal to zero and attempt to solve: Simplifying -4 + -1y = 0 Solving -4 + -1y = 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 + -1y = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1y = 0 + 4 -1y = 0 + 4 Combine like terms: 0 + 4 = 4 -1y = 4 Divide each side by '-1'. y = -4 Simplifying y = -4

Subproblem 3

Set the factor '(1 + -1y)' equal to zero and attempt to solve: Simplifying 1 + -1y = 0 Solving 1 + -1y = 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 + -1y = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1y = 0 + -1 -1y = 0 + -1 Combine like terms: 0 + -1 = -1 -1y = -1 Divide each side by '-1'. y = 1 Simplifying y = 1

Solution

y = {0, -4, 1}

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