y(100-y)=2400

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Solution for y(100-y)=2400 equation:


Simplifying
y(100 + -1y) = 2400
(100 * y + -1y * y) = 2400
(100y + -1y2) = 2400

Solving
100y + -1y2 = 2400

Solving for variable 'y'.

Reorder the terms:
-2400 + 100y + -1y2 = 2400 + -2400

Combine like terms: 2400 + -2400 = 0
-2400 + 100y + -1y2 = 0

Factor a trinomial.
(-60 + y)(40 + -1y) = 0

Subproblem 1

Set the factor '(-60 + y)' equal to zero and attempt to solve: Simplifying -60 + y = 0 Solving -60 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '60' to each side of the equation. -60 + 60 + y = 0 + 60 Combine like terms: -60 + 60 = 0 0 + y = 0 + 60 y = 0 + 60 Combine like terms: 0 + 60 = 60 y = 60 Simplifying y = 60

Subproblem 2

Set the factor '(40 + -1y)' equal to zero and attempt to solve: Simplifying 40 + -1y = 0 Solving 40 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-40' to each side of the equation. 40 + -40 + -1y = 0 + -40 Combine like terms: 40 + -40 = 0 0 + -1y = 0 + -40 -1y = 0 + -40 Combine like terms: 0 + -40 = -40 -1y = -40 Divide each side by '-1'. y = 40 Simplifying y = 40

Solution

y = {60, 40}

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