r^3+3y^2-4=0

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Solution for r^3+3y^2-4=0 equation: 


Simplifying
r3 + 3y2 + -4 = 0

Reorder the terms:
-4 + r3 + 3y2 = 0

Solving
-4 + r3 + 3y2 = 0

Solving for variable 'r'.

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

Add '4' to each side of the equation.
-4 + r3 + 4 + 3y2 = 0 + 4

Reorder the terms:
-4 + 4 + r3 + 3y2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + r3 + 3y2 = 0 + 4
r3 + 3y2 = 0 + 4

Combine like terms: 0 + 4 = 4
r3 + 3y2 = 4

Add '-3y2' to each side of the equation.
r3 + 3y2 + -3y2 = 4 + -3y2

Combine like terms: 3y2 + -3y2 = 0
r3 + 0 = 4 + -3y2
r3 = 4 + -3y2

Simplifying
r3 = 4 + -3y2

Reorder the terms:
-4 + r3 + 3y2 = 4 + -3y2 + -4 + 3y2

Reorder the terms:
-4 + r3 + 3y2 = 4 + -4 + -3y2 + 3y2

Combine like terms: 4 + -4 = 0
-4 + r3 + 3y2 = 0 + -3y2 + 3y2
-4 + r3 + 3y2 = -3y2 + 3y2

Combine like terms: -3y2 + 3y2 = 0
-4 + r3 + 3y2 = 0

The solution to this equation could not be determined.

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