(4y-3)(5-y)=0

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Solution for (4y-3)(5-y)=0 equation:


Simplifying
(4y + -3)(5 + -1y) = 0

Reorder the terms:
(-3 + 4y)(5 + -1y) = 0

Multiply (-3 + 4y) * (5 + -1y)
(-3(5 + -1y) + 4y * (5 + -1y)) = 0
((5 * -3 + -1y * -3) + 4y * (5 + -1y)) = 0
((-15 + 3y) + 4y * (5 + -1y)) = 0
(-15 + 3y + (5 * 4y + -1y * 4y)) = 0
(-15 + 3y + (20y + -4y2)) = 0

Combine like terms: 3y + 20y = 23y
(-15 + 23y + -4y2) = 0

Solving
-15 + 23y + -4y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-5 + y)(3 + -4y) = 0

Subproblem 1

Set the factor '(-5 + y)' equal to zero and attempt to solve: Simplifying -5 + y = 0 Solving -5 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + y = 0 + 5 Combine like terms: -5 + 5 = 0 0 + y = 0 + 5 y = 0 + 5 Combine like terms: 0 + 5 = 5 y = 5 Simplifying y = 5

Subproblem 2

Set the factor '(3 + -4y)' equal to zero and attempt to solve: Simplifying 3 + -4y = 0 Solving 3 + -4y = 0 Move all terms containing y to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -4y = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4y = 0 + -3 -4y = 0 + -3 Combine like terms: 0 + -3 = -3 -4y = -3 Divide each side by '-4'. y = 0.75 Simplifying y = 0.75

Solution

y = {5, 0.75}

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