4y-2y^3(2.5y^2+y^2)=

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Solution for 4y-2y^3(2.5y^2+y^2)= equation: 


Simplifying
4y + -2y3(2.5y2 + y2) = 0

Combine like terms: 2.5y2 + y2 = 3.5y2
4y + -2y3(3.5y2) = 0

Remove parenthesis around (3.5y2)
4y + -2y3 * 3.5y2 = 0

Reorder the terms for easier multiplication:
4y + -2 * 3.5y3 * y2 = 0

Multiply -2 * 3.5
4y + -7y3 * y2 = 0

Multiply y3 * y2
4y + -7y5 = 0

Solving
4y + -7y5 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), 'y'.
y(4 + -7y4) = 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 + -7y4)' equal to zero and attempt to solve:

Simplifying
4 + -7y4 = 0

Solving
4 + -7y4 = 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 + -7y4 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -7y4 = 0 + -4
-7y4 = 0 + -4

Combine like terms: 0 + -4 = -4
-7y4 = -4

Divide each side by '-7'.
y4 = 0.5714285714

Simplifying
y4 = 0.5714285714

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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