(y-5)(-4y^2+9y+4)=

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Solution for (y-5)(-4y^2+9y+4)= equation: 


Simplifying
(y + -5)(-4y2 + 9y + 4) = 0

Reorder the terms:
(-5 + y)(-4y2 + 9y + 4) = 0

Reorder the terms:
(-5 + y)(4 + 9y + -4y2) = 0

Multiply (-5 + y) * (4 + 9y + -4y2)
(-5(4 + 9y + -4y2) + y(4 + 9y + -4y2)) = 0
((4 * -5 + 9y * -5 + -4y2 * -5) + y(4 + 9y + -4y2)) = 0
((-20 + -45y + 20y2) + y(4 + 9y + -4y2)) = 0
(-20 + -45y + 20y2 + (4 * y + 9y * y + -4y2 * y)) = 0
(-20 + -45y + 20y2 + (4y + 9y2 + -4y3)) = 0

Reorder the terms:
(-20 + -45y + 4y + 20y2 + 9y2 + -4y3) = 0

Combine like terms: -45y + 4y = -41y
(-20 + -41y + 20y2 + 9y2 + -4y3) = 0

Combine like terms: 20y2 + 9y2 = 29y2
(-20 + -41y + 29y2 + -4y3) = 0

Solving
-20 + -41y + 29y2 + -4y3 = 0

Solving for variable 'y'.

The solution to this equation could not be determined.

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