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

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


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

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

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

Multiply (-5 + y2) * (5 + -9y + 4y2)
(-5(5 + -9y + 4y2) + y2(5 + -9y + 4y2)) = 0
((5 * -5 + -9y * -5 + 4y2 * -5) + y2(5 + -9y + 4y2)) = 0
((-25 + 45y + -20y2) + y2(5 + -9y + 4y2)) = 0
(-25 + 45y + -20y2 + (5 * y2 + -9y * y2 + 4y2 * y2)) = 0
(-25 + 45y + -20y2 + (5y2 + -9y3 + 4y4)) = 0

Combine like terms: -20y2 + 5y2 = -15y2
(-25 + 45y + -15y2 + -9y3 + 4y4) = 0

Solving
-25 + 45y + -15y2 + -9y3 + 4y4 = 0

Solving for variable 'y'.

The solution to this equation could not be determined.

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