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

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


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

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

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

Multiply (-2 + y) * (-5 + y)
(-2(-5 + y) + y(-5 + y)) = 0
((-5 * -2 + y * -2) + y(-5 + y)) = 0
((10 + -2y) + y(-5 + y)) = 0
(10 + -2y + (-5 * y + y * y)) = 0
(10 + -2y + (-5y + y2)) = 0

Combine like terms: -2y + -5y = -7y
(10 + -7y + y2) = 0

Solving
10 + -7y + y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(2 + -1y)(5 + -1y) = 0

Subproblem 1

Set the factor '(2 + -1y)' equal to zero and attempt to solve: Simplifying 2 + -1y = 0 Solving 2 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1y = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1y = 0 + -2 -1y = 0 + -2 Combine like terms: 0 + -2 = -2 -1y = -2 Divide each side by '-1'. y = 2 Simplifying y = 2

Subproblem 2

Set the factor '(5 + -1y)' equal to zero and attempt to solve: Simplifying 5 + -1y = 0 Solving 5 + -1y = 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 + -1y = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1y = 0 + -5 -1y = 0 + -5 Combine like terms: 0 + -5 = -5 -1y = -5 Divide each side by '-1'. y = 5 Simplifying y = 5

Solution

y = {2, 5}

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