3y^3+7y^2=6y^2+4y

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Solution for 3y^3+7y^2=6y^2+4y equation:


Simplifying
3y3 + 7y2 = 6y2 + 4y

Reorder the terms:
7y2 + 3y3 = 6y2 + 4y

Reorder the terms:
7y2 + 3y3 = 4y + 6y2

Solving
7y2 + 3y3 = 4y + 6y2

Solving for variable 'y'.

Reorder the terms:
-4y + 7y2 + -6y2 + 3y3 = 4y + 6y2 + -4y + -6y2

Combine like terms: 7y2 + -6y2 = 1y2
-4y + 1y2 + 3y3 = 4y + 6y2 + -4y + -6y2

Reorder the terms:
-4y + 1y2 + 3y3 = 4y + -4y + 6y2 + -6y2

Combine like terms: 4y + -4y = 0
-4y + 1y2 + 3y3 = 0 + 6y2 + -6y2
-4y + 1y2 + 3y3 = 6y2 + -6y2

Combine like terms: 6y2 + -6y2 = 0
-4y + 1y2 + 3y3 = 0

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

Factor a trinomial.
y((-4 + -3y)(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 + -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 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, -1.333333333, 1}

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