(5y-15)(y^2-5y-14)=0

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Solution for (5y-15)(y^2-5y-14)=0 equation:


Simplifying
(5y + -15)(y2 + -5y + -14) = 0

Reorder the terms:
(-15 + 5y)(y2 + -5y + -14) = 0

Reorder the terms:
(-15 + 5y)(-14 + -5y + y2) = 0

Multiply (-15 + 5y) * (-14 + -5y + y2)
(-15(-14 + -5y + y2) + 5y * (-14 + -5y + y2)) = 0
((-14 * -15 + -5y * -15 + y2 * -15) + 5y * (-14 + -5y + y2)) = 0
((210 + 75y + -15y2) + 5y * (-14 + -5y + y2)) = 0
(210 + 75y + -15y2 + (-14 * 5y + -5y * 5y + y2 * 5y)) = 0
(210 + 75y + -15y2 + (-70y + -25y2 + 5y3)) = 0

Reorder the terms:
(210 + 75y + -70y + -15y2 + -25y2 + 5y3) = 0

Combine like terms: 75y + -70y = 5y
(210 + 5y + -15y2 + -25y2 + 5y3) = 0

Combine like terms: -15y2 + -25y2 = -40y2
(210 + 5y + -40y2 + 5y3) = 0

Solving
210 + 5y + -40y2 + 5y3 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '5'.
5(42 + y + -8y2 + y3) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(42 + y + -8y2 + y3)' equal to zero and attempt to solve: Simplifying 42 + y + -8y2 + y3 = 0 Solving 42 + y + -8y2 + 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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