(Y+9)(Y-2)=4y

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Solution for (Y+9)(Y-2)=4y equation: 


Simplifying
(Y + 9)(Y + -2) = 4y

Reorder the terms:
(9 + Y)(Y + -2) = 4y

Reorder the terms:
(9 + Y)(-2 + Y) = 4y

Multiply (9 + Y) * (-2 + Y)
(9(-2 + Y) + Y(-2 + Y)) = 4y
((-2 * 9 + Y * 9) + Y(-2 + Y)) = 4y
((-18 + 9Y) + Y(-2 + Y)) = 4y
(-18 + 9Y + (-2 * Y + Y * Y)) = 4y
(-18 + 9Y + (-2Y + Y2)) = 4y

Combine like terms: 9Y + -2Y = 7Y
(-18 + 7Y + Y2) = 4y

Solving
-18 + 7Y + Y2 = 4y

Solving for variable 'Y'.

Combine like terms: 4y + -4y = 0
-18 + 7Y + Y2 + -4y = 0

The solution to this equation could not be determined.

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