(3y-9)(-(7y^2)+6y+4)=

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Solution for (3y-9)(-(7y^2)+6y+4)= equation:


Simplifying
(3y + -9)(-1(7y2) + 6y + 4) = 0

Reorder the terms:
(-9 + 3y)(-1(7y2) + 6y + 4) = 0

Remove parenthesis around (7y2)
(-9 + 3y)(-1 * 7y2 + 6y + 4) = 0

Multiply -1 * 7
(-9 + 3y)(-7y2 + 6y + 4) = 0

Reorder the terms:
(-9 + 3y)(4 + 6y + -7y2) = 0

Multiply (-9 + 3y) * (4 + 6y + -7y2)
(-9(4 + 6y + -7y2) + 3y * (4 + 6y + -7y2)) = 0
((4 * -9 + 6y * -9 + -7y2 * -9) + 3y * (4 + 6y + -7y2)) = 0
((-36 + -54y + 63y2) + 3y * (4 + 6y + -7y2)) = 0
(-36 + -54y + 63y2 + (4 * 3y + 6y * 3y + -7y2 * 3y)) = 0
(-36 + -54y + 63y2 + (12y + 18y2 + -21y3)) = 0

Reorder the terms:
(-36 + -54y + 12y + 63y2 + 18y2 + -21y3) = 0

Combine like terms: -54y + 12y = -42y
(-36 + -42y + 63y2 + 18y2 + -21y3) = 0

Combine like terms: 63y2 + 18y2 = 81y2
(-36 + -42y + 81y2 + -21y3) = 0

Solving
-36 + -42y + 81y2 + -21y3 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-12 + -14y + 27y2 + -7y3) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-12 + -14y + 27y2 + -7y3)' equal to zero and attempt to solve: Simplifying -12 + -14y + 27y2 + -7y3 = 0 Solving -12 + -14y + 27y2 + -7y3 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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