y(2y-3)=20

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Solution for y(2y-3)=20 equation:


Simplifying
y(2y + -3) = 20

Reorder the terms:
y(-3 + 2y) = 20
(-3 * y + 2y * y) = 20
(-3y + 2y2) = 20

Solving
-3y + 2y2 = 20

Solving for variable 'y'.

Reorder the terms:
-20 + -3y + 2y2 = 20 + -20

Combine like terms: 20 + -20 = 0
-20 + -3y + 2y2 = 0

Factor a trinomial.
(-5 + -2y)(4 + -1y) = 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 + -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 = {-2.5, 4}

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