4y(y+4)(y-4)=

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Solution for 4y(y+4)(y-4)= equation:


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

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

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

Multiply (4 + y) * (-4 + y)
4y(4(-4 + y) + y(-4 + y)) = 0
4y((-4 * 4 + y * 4) + y(-4 + y)) = 0
4y((-16 + 4y) + y(-4 + y)) = 0
4y(-16 + 4y + (-4 * y + y * y)) = 0
4y(-16 + 4y + (-4y + y2)) = 0

Combine like terms: 4y + -4y = 0
4y(-16 + 0 + y2) = 0
4y(-16 + y2) = 0
(-16 * 4y + y2 * 4y) = 0
(-64y + 4y3) = 0

Solving
-64y + 4y3 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '4y'.
4y(-16 + y2) = 0

Factor a difference between two squares.
4y((4 + y)(-4 + y)) = 0

Ignore the factor 4.

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 + y)' equal to zero and attempt to solve: Simplifying 4 + y = 0 Solving 4 + y = 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 + y = 0 + -4 Combine like terms: 4 + -4 = 0 0 + y = 0 + -4 y = 0 + -4 Combine like terms: 0 + -4 = -4 y = -4 Simplifying y = -4

Subproblem 3

Set the factor '(-4 + y)' equal to zero and attempt to solve: Simplifying -4 + y = 0 Solving -4 + y = 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 + y = 0 + 4 Combine like terms: -4 + 4 = 0 0 + y = 0 + 4 y = 0 + 4 Combine like terms: 0 + 4 = 4 y = 4 Simplifying y = 4

Solution

y = {0, -4, 4}

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