(y^2-25)(y^2-4y)=0

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Solution for (y^2-25)(y^2-4y)=0 equation:


Simplifying
(y2 + -25)(y2 + -4y) = 0

Reorder the terms:
(-25 + y2)(y2 + -4y) = 0

Reorder the terms:
(-25 + y2)(-4y + y2) = 0

Multiply (-25 + y2) * (-4y + y2)
(-25(-4y + y2) + y2(-4y + y2)) = 0
((-4y * -25 + y2 * -25) + y2(-4y + y2)) = 0
((100y + -25y2) + y2(-4y + y2)) = 0
(100y + -25y2 + (-4y * y2 + y2 * y2)) = 0
(100y + -25y2 + (-4y3 + y4)) = 0
(100y + -25y2 + -4y3 + y4) = 0

Solving
100y + -25y2 + -4y3 + y4 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), 'y'.
y(100 + -25y + -4y2 + y3) = 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 '(100 + -25y + -4y2 + y3)' equal to zero and attempt to solve:

Simplifying
100 + -25y + -4y2 + y3 = 0

Solving
100 + -25y + -4y2 + y3 = 0

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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