15y+20y^3=

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Solution for 15y+20y^3= equation:


Simplifying
15y + 20y3 = 0

Solving
15y + 20y3 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '5y'.
5y(3 + 4y2) = 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 + 4y2)' equal to zero and attempt to solve: Simplifying 3 + 4y2 = 0 Solving 3 + 4y2 = 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 + 4y2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 4y2 = 0 + -3 4y2 = 0 + -3 Combine like terms: 0 + -3 = -3 4y2 = -3 Divide each side by '4'. y2 = -0.75 Simplifying y2 = -0.75 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Solution

y = {0}

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