(9-y)(3y-4)=0

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Solution for (9-y)(3y-4)=0 equation:


Simplifying
(9 + -1y)(3y + -4) = 0

Reorder the terms:
(9 + -1y)(-4 + 3y) = 0

Multiply (9 + -1y) * (-4 + 3y)
(9(-4 + 3y) + -1y * (-4 + 3y)) = 0
((-4 * 9 + 3y * 9) + -1y * (-4 + 3y)) = 0
((-36 + 27y) + -1y * (-4 + 3y)) = 0
(-36 + 27y + (-4 * -1y + 3y * -1y)) = 0
(-36 + 27y + (4y + -3y2)) = 0

Combine like terms: 27y + 4y = 31y
(-36 + 31y + -3y2) = 0

Solving
-36 + 31y + -3y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-9 + y)(4 + -3y) = 0

Subproblem 1

Set the factor '(-9 + y)' equal to zero and attempt to solve: Simplifying -9 + y = 0 Solving -9 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + y = 0 + 9 Combine like terms: -9 + 9 = 0 0 + y = 0 + 9 y = 0 + 9 Combine like terms: 0 + 9 = 9 y = 9 Simplifying y = 9

Subproblem 2

Set the factor '(4 + -3y)' equal to zero and attempt to solve: Simplifying 4 + -3y = 0 Solving 4 + -3y = 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 + -3y = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3y = 0 + -4 -3y = 0 + -4 Combine like terms: 0 + -4 = -4 -3y = -4 Divide each side by '-3'. y = 1.333333333 Simplifying y = 1.333333333

Solution

y = {9, 1.333333333}

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