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

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


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

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

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

Multiply (3 + 5y) * (-4 + y)
(3(-4 + y) + 5y * (-4 + y)) = 0
((-4 * 3 + y * 3) + 5y * (-4 + y)) = 0
((-12 + 3y) + 5y * (-4 + y)) = 0
(-12 + 3y + (-4 * 5y + y * 5y)) = 0
(-12 + 3y + (-20y + 5y2)) = 0

Combine like terms: 3y + -20y = -17y
(-12 + -17y + 5y2) = 0

Solving
-12 + -17y + 5y2 = 0

Solving for variable 'y'.

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

Subproblem 1

Set the factor '(-3 + -5y)' equal to zero and attempt to solve: Simplifying -3 + -5y = 0 Solving -3 + -5y = 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 + -5y = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -5y = 0 + 3 -5y = 0 + 3 Combine like terms: 0 + 3 = 3 -5y = 3 Divide each side by '-5'. y = -0.6 Simplifying y = -0.6

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 = {-0.6, 4}

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