(Y-4)(y-5)=

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Solution for (Y-4)(y-5)= equation:


Simplifying
(Y + -4)(y + -5) = 0

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

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

Multiply (-4 + Y) * (-5 + y)
(-4(-5 + y) + Y(-5 + y)) = 0
((-5 * -4 + y * -4) + Y(-5 + y)) = 0
((20 + -4y) + Y(-5 + y)) = 0
(20 + -4y + (-5 * Y + y * Y)) = 0
(20 + -4y + (-5Y + yY)) = 0

Reorder the terms:
(20 + -5Y + -4y + yY) = 0
(20 + -5Y + -4y + yY) = 0

Solving
20 + -5Y + -4y + yY = 0

Solving for variable 'Y'.

Move all terms containing Y to the left, all other terms to the right.

Add '-20' to each side of the equation.
20 + -5Y + -4y + -20 + yY = 0 + -20

Reorder the terms:
20 + -20 + -5Y + -4y + yY = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -5Y + -4y + yY = 0 + -20
-5Y + -4y + yY = 0 + -20

Combine like terms: 0 + -20 = -20
-5Y + -4y + yY = -20

Add '4y' to each side of the equation.
-5Y + -4y + 4y + yY = -20 + 4y

Combine like terms: -4y + 4y = 0
-5Y + 0 + yY = -20 + 4y
-5Y + yY = -20 + 4y

Reorder the terms:
20 + -5Y + -4y + yY = -20 + 4y + 20 + -4y

Reorder the terms:
20 + -5Y + -4y + yY = -20 + 20 + 4y + -4y

Combine like terms: -20 + 20 = 0
20 + -5Y + -4y + yY = 0 + 4y + -4y
20 + -5Y + -4y + yY = 4y + -4y

Combine like terms: 4y + -4y = 0
20 + -5Y + -4y + yY = 0

The solution to this equation could not be determined.

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