5y^3(2y+1)(y-4)=0

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Solution for 5y^3(2y+1)(y-4)=0 equation:


Simplifying
5y3(2y + 1)(y + -4) = 0

Reorder the terms:
5y3(1 + 2y)(y + -4) = 0

Reorder the terms:
5y3(1 + 2y)(-4 + y) = 0

Multiply (1 + 2y) * (-4 + y)
5y3(1(-4 + y) + 2y * (-4 + y)) = 0
5y3((-4 * 1 + y * 1) + 2y * (-4 + y)) = 0
5y3((-4 + 1y) + 2y * (-4 + y)) = 0
5y3(-4 + 1y + (-4 * 2y + y * 2y)) = 0
5y3(-4 + 1y + (-8y + 2y2)) = 0

Combine like terms: 1y + -8y = -7y
5y3(-4 + -7y + 2y2) = 0
(-4 * 5y3 + -7y * 5y3 + 2y2 * 5y3) = 0
(-20y3 + -35y4 + 10y5) = 0

Solving
-20y3 + -35y4 + 10y5 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '5y3'.
5y3(-4 + -7y + 2y2) = 0

Factor a trinomial.
5y3((-1 + -2y)(4 + -1y)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor 'y3' equal to zero and attempt to solve: Simplifying y3 = 0 Solving y3 = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y3 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

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

Subproblem 3

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

Solution

y = {-0.5, 4}

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