(y^2-3y-28)(4y+28)=0

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Solution for (y^2-3y-28)(4y+28)=0 equation: 


Simplifying
(y2 + -3y + -28)(4y + 28) = 0

Reorder the terms:
(-28 + -3y + y2)(4y + 28) = 0

Reorder the terms:
(-28 + -3y + y2)(28 + 4y) = 0

Multiply (-28 + -3y + y2) * (28 + 4y)
(-28(28 + 4y) + -3y * (28 + 4y) + y2(28 + 4y)) = 0
((28 * -28 + 4y * -28) + -3y * (28 + 4y) + y2(28 + 4y)) = 0
((-784 + -112y) + -3y * (28 + 4y) + y2(28 + 4y)) = 0
(-784 + -112y + (28 * -3y + 4y * -3y) + y2(28 + 4y)) = 0
(-784 + -112y + (-84y + -12y2) + y2(28 + 4y)) = 0
(-784 + -112y + -84y + -12y2 + (28 * y2 + 4y * y2)) = 0
(-784 + -112y + -84y + -12y2 + (28y2 + 4y3)) = 0

Combine like terms: -112y + -84y = -196y
(-784 + -196y + -12y2 + 28y2 + 4y3) = 0

Combine like terms: -12y2 + 28y2 = 16y2
(-784 + -196y + 16y2 + 4y3) = 0

Solving
-784 + -196y + 16y2 + 4y3 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '4'.
4(-196 + -49y + 4y2 + y3) = 0

Ignore the factor 4.

Subproblem 1
Set the factor '(-196 + -49y + 4y2 + y3)' equal to zero and attempt to solve:

Simplifying
-196 + -49y + 4y2 + y3 = 0

Solving
-196 + -49y + 4y2 + y3 = 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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