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

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


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

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

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

Multiply (-3 + 2y) * (5 + 2y)
(-3(5 + 2y) + 2y * (5 + 2y)) = 0
((5 * -3 + 2y * -3) + 2y * (5 + 2y)) = 0
((-15 + -6y) + 2y * (5 + 2y)) = 0
(-15 + -6y + (5 * 2y + 2y * 2y)) = 0
(-15 + -6y + (10y + 4y2)) = 0

Combine like terms: -6y + 10y = 4y
(-15 + 4y + 4y2) = 0

Solving
-15 + 4y + 4y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-5 + -2y)(3 + -2y) = 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 '(3 + -2y)' equal to zero and attempt to solve: Simplifying 3 + -2y = 0 Solving 3 + -2y = 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 + -2y = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2y = 0 + -3 -2y = 0 + -3 Combine like terms: 0 + -3 = -3 -2y = -3 Divide each side by '-2'. y = 1.5 Simplifying y = 1.5

Solution

y = {-2.5, 1.5}

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