Y^3+20y+21=0

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Solution for Y^3+20y+21=0 equation: 


Simplifying
Y3 + 20y + 21 = 0

Reorder the terms:
21 + Y3 + 20y = 0

Solving
21 + Y3 + 20y = 0

Solving for variable 'Y'.

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

Add '-21' to each side of the equation.
21 + Y3 + -21 + 20y = 0 + -21

Reorder the terms:
21 + -21 + Y3 + 20y = 0 + -21

Combine like terms: 21 + -21 = 0
0 + Y3 + 20y = 0 + -21
Y3 + 20y = 0 + -21

Combine like terms: 0 + -21 = -21
Y3 + 20y = -21

Add '-20y' to each side of the equation.
Y3 + 20y + -20y = -21 + -20y

Combine like terms: 20y + -20y = 0
Y3 + 0 = -21 + -20y
Y3 = -21 + -20y

Simplifying
Y3 = -21 + -20y

Reorder the terms:
21 + Y3 + 20y = -21 + -20y + 21 + 20y

Reorder the terms:
21 + Y3 + 20y = -21 + 21 + -20y + 20y

Combine like terms: -21 + 21 = 0
21 + Y3 + 20y = 0 + -20y + 20y
21 + Y3 + 20y = -20y + 20y

Combine like terms: -20y + 20y = 0
21 + Y3 + 20y = 0

The solution to this equation could not be determined.

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