(2y-8)(y-4)=

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Solution for (2y-8)(y-4)= equation:


Simplifying
(2y + -8)(y + -4) = 0

Reorder the terms:
(-8 + 2y)(y + -4) = 0

Reorder the terms:
(-8 + 2y)(-4 + y) = 0

Multiply (-8 + 2y) * (-4 + y)
(-8(-4 + y) + 2y * (-4 + y)) = 0
((-4 * -8 + y * -8) + 2y * (-4 + y)) = 0
((32 + -8y) + 2y * (-4 + y)) = 0
(32 + -8y + (-4 * 2y + y * 2y)) = 0
(32 + -8y + (-8y + 2y2)) = 0

Combine like terms: -8y + -8y = -16y
(32 + -16y + 2y2) = 0

Solving
32 + -16y + 2y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '2'.
2(16 + -8y + y2) = 0

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

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

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 = {4, 4}

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