(y^2-9)(5y^2-7y+4)=

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Solution for (y^2-9)(5y^2-7y+4)= equation:


Simplifying
(y2 + -9)(5y2 + -7y + 4) = 0

Reorder the terms:
(-9 + y2)(5y2 + -7y + 4) = 0

Reorder the terms:
(-9 + y2)(4 + -7y + 5y2) = 0

Multiply (-9 + y2) * (4 + -7y + 5y2)
(-9(4 + -7y + 5y2) + y2(4 + -7y + 5y2)) = 0
((4 * -9 + -7y * -9 + 5y2 * -9) + y2(4 + -7y + 5y2)) = 0
((-36 + 63y + -45y2) + y2(4 + -7y + 5y2)) = 0
(-36 + 63y + -45y2 + (4 * y2 + -7y * y2 + 5y2 * y2)) = 0
(-36 + 63y + -45y2 + (4y2 + -7y3 + 5y4)) = 0

Combine like terms: -45y2 + 4y2 = -41y2
(-36 + 63y + -41y2 + -7y3 + 5y4) = 0

Solving
-36 + 63y + -41y2 + -7y3 + 5y4 = 0

Solving for variable 'y'.

The solution to this equation could not be determined.

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