Y^3+2y^2-9y-18=0

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Solution for Y^3+2y^2-9y-18=0 equation:


Simplifying
Y3 + 2y2 + -9y + -18 = 0

Reorder the terms:
-18 + Y3 + -9y + 2y2 = 0

Solving
-18 + Y3 + -9y + 2y2 = 0

Solving for variable 'Y'.

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

Add '18' to each side of the equation.
-18 + Y3 + -9y + 18 + 2y2 = 0 + 18

Reorder the terms:
-18 + 18 + Y3 + -9y + 2y2 = 0 + 18

Combine like terms: -18 + 18 = 0
0 + Y3 + -9y + 2y2 = 0 + 18
Y3 + -9y + 2y2 = 0 + 18

Combine like terms: 0 + 18 = 18
Y3 + -9y + 2y2 = 18

Add '9y' to each side of the equation.
Y3 + -9y + 9y + 2y2 = 18 + 9y

Combine like terms: -9y + 9y = 0
Y3 + 0 + 2y2 = 18 + 9y
Y3 + 2y2 = 18 + 9y

Add '-2y2' to each side of the equation.
Y3 + 2y2 + -2y2 = 18 + 9y + -2y2

Combine like terms: 2y2 + -2y2 = 0
Y3 + 0 = 18 + 9y + -2y2
Y3 = 18 + 9y + -2y2

Simplifying
Y3 = 18 + 9y + -2y2

Reorder the terms:
-18 + Y3 + -9y + 2y2 = 18 + 9y + -2y2 + -18 + -9y + 2y2

Reorder the terms:
-18 + Y3 + -9y + 2y2 = 18 + -18 + 9y + -9y + -2y2 + 2y2

Combine like terms: 18 + -18 = 0
-18 + Y3 + -9y + 2y2 = 0 + 9y + -9y + -2y2 + 2y2
-18 + Y3 + -9y + 2y2 = 9y + -9y + -2y2 + 2y2

Combine like terms: 9y + -9y = 0
-18 + Y3 + -9y + 2y2 = 0 + -2y2 + 2y2
-18 + Y3 + -9y + 2y2 = -2y2 + 2y2

Combine like terms: -2y2 + 2y2 = 0
-18 + Y3 + -9y + 2y2 = 0

The solution to this equation could not be determined.

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