(3y-4)(2y+5)=0

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Solution for (3y-4)(2y+5)=0 equation:


Simplifying
(3y + -4)(2y + 5) = 0

Reorder the terms:
(-4 + 3y)(2y + 5) = 0

Reorder the terms:
(-4 + 3y)(5 + 2y) = 0

Multiply (-4 + 3y) * (5 + 2y)
(-4(5 + 2y) + 3y * (5 + 2y)) = 0
((5 * -4 + 2y * -4) + 3y * (5 + 2y)) = 0
((-20 + -8y) + 3y * (5 + 2y)) = 0
(-20 + -8y + (5 * 3y + 2y * 3y)) = 0
(-20 + -8y + (15y + 6y2)) = 0

Combine like terms: -8y + 15y = 7y
(-20 + 7y + 6y2) = 0

Solving
-20 + 7y + 6y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-5 + -2y)(4 + -3y) = 0

Subproblem 1

Set the factor '(-5 + -2y)' equal to zero and attempt to solve: Simplifying -5 + -2y = 0 Solving -5 + -2y = 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 + -2y = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -2y = 0 + 5 -2y = 0 + 5 Combine like terms: 0 + 5 = 5 -2y = 5 Divide each side by '-2'. y = -2.5 Simplifying y = -2.5

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 = {-2.5, 1.333333333}

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