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

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


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

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

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

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

Combine like terms: -3y + 20y = 17y
(-15 + 17y + 4y2) = 0

Solving
-15 + 17y + 4y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-5 + -1y)(3 + -4y) = 0

Subproblem 1

Set the factor '(-5 + -1y)' equal to zero and attempt to solve: Simplifying -5 + -1y = 0 Solving -5 + -1y = 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 + -1y = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1y = 0 + 5 -1y = 0 + 5 Combine like terms: 0 + 5 = 5 -1y = 5 Divide each side by '-1'. 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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