Y^3-8y^2-9y+72=0

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Solution for Y^3-8y^2-9y+72=0 equation:


Simplifying
Y3 + -8y2 + -9y + 72 = 0

Reorder the terms:
72 + Y3 + -9y + -8y2 = 0

Solving
72 + Y3 + -9y + -8y2 = 0

Solving for variable 'Y'.

Move all terms containing Y to the left, all other terms to the right.

Add '-72' to each side of the equation.
72 + Y3 + -9y + -72 + -8y2 = 0 + -72

Reorder the terms:
72 + -72 + Y3 + -9y + -8y2 = 0 + -72

Combine like terms: 72 + -72 = 0
0 + Y3 + -9y + -8y2 = 0 + -72
Y3 + -9y + -8y2 = 0 + -72

Combine like terms: 0 + -72 = -72
Y3 + -9y + -8y2 = -72

Add '9y' to each side of the equation.
Y3 + -9y + 9y + -8y2 = -72 + 9y

Combine like terms: -9y + 9y = 0
Y3 + 0 + -8y2 = -72 + 9y
Y3 + -8y2 = -72 + 9y

Add '8y2' to each side of the equation.
Y3 + -8y2 + 8y2 = -72 + 9y + 8y2

Combine like terms: -8y2 + 8y2 = 0
Y3 + 0 = -72 + 9y + 8y2
Y3 = -72 + 9y + 8y2

Simplifying
Y3 = -72 + 9y + 8y2

Reorder the terms:
72 + Y3 + -9y + -8y2 = -72 + 9y + 8y2 + 72 + -9y + -8y2

Reorder the terms:
72 + Y3 + -9y + -8y2 = -72 + 72 + 9y + -9y + 8y2 + -8y2

Combine like terms: -72 + 72 = 0
72 + Y3 + -9y + -8y2 = 0 + 9y + -9y + 8y2 + -8y2
72 + Y3 + -9y + -8y2 = 9y + -9y + 8y2 + -8y2

Combine like terms: 9y + -9y = 0
72 + Y3 + -9y + -8y2 = 0 + 8y2 + -8y2
72 + Y3 + -9y + -8y2 = 8y2 + -8y2

Combine like terms: 8y2 + -8y2 = 0
72 + Y3 + -9y + -8y2 = 0

The solution to this equation could not be determined.

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