(4y-9)(2-y)=0

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Solution for (4y-9)(2-y)=0 equation:


Simplifying
(4y + -9)(2 + -1y) = 0

Reorder the terms:
(-9 + 4y)(2 + -1y) = 0

Multiply (-9 + 4y) * (2 + -1y)
(-9(2 + -1y) + 4y * (2 + -1y)) = 0
((2 * -9 + -1y * -9) + 4y * (2 + -1y)) = 0
((-18 + 9y) + 4y * (2 + -1y)) = 0
(-18 + 9y + (2 * 4y + -1y * 4y)) = 0
(-18 + 9y + (8y + -4y2)) = 0

Combine like terms: 9y + 8y = 17y
(-18 + 17y + -4y2) = 0

Solving
-18 + 17y + -4y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-9 + 4y)(2 + -1y) = 0

Subproblem 1

Set the factor '(-9 + 4y)' equal to zero and attempt to solve: Simplifying -9 + 4y = 0 Solving -9 + 4y = 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 + 4y = 0 + 9 Combine like terms: -9 + 9 = 0 0 + 4y = 0 + 9 4y = 0 + 9 Combine like terms: 0 + 9 = 9 4y = 9 Divide each side by '4'. y = 2.25 Simplifying y = 2.25

Subproblem 2

Set the factor '(2 + -1y)' equal to zero and attempt to solve: Simplifying 2 + -1y = 0 Solving 2 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1y = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1y = 0 + -2 -1y = 0 + -2 Combine like terms: 0 + -2 = -2 -1y = -2 Divide each side by '-1'. y = 2 Simplifying y = 2

Solution

y = {2.25, 2}

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