3r^2+15r^3-30=0

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Solution for 3r^2+15r^3-30=0 equation: 


Simplifying
3r2 + 15r3 + -30 = 0

Reorder the terms:
-30 + 3r2 + 15r3 = 0

Solving
-30 + 3r2 + 15r3 = 0

Solving for variable 'r'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-10 + r2 + 5r3) = 0

Ignore the factor 3.

Subproblem 1
Set the factor '(-10 + r2 + 5r3)' equal to zero and attempt to solve:

Simplifying
-10 + r2 + 5r3 = 0

Solving
-10 + r2 + 5r3 = 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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