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

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


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

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

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

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

Combine like terms: 15y + -8y = 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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