(5r^2-3r+9)+(-2r^3-r^2+3r)=0

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Solution for (5r^2-3r+9)+(-2r^3-r^2+3r)=0 equation: 


Simplifying
(5r2 + -3r + 9) + (-2r3 + -1r2 + 3r) = 0

Reorder the terms:
(9 + -3r + 5r2) + (-2r3 + -1r2 + 3r) = 0

Remove parenthesis around (9 + -3r + 5r2)
9 + -3r + 5r2 + (-2r3 + -1r2 + 3r) = 0

Reorder the terms:
9 + -3r + 5r2 + (3r + -1r2 + -2r3) = 0

Remove parenthesis around (3r + -1r2 + -2r3)
9 + -3r + 5r2 + 3r + -1r2 + -2r3 = 0

Reorder the terms:
9 + -3r + 3r + 5r2 + -1r2 + -2r3 = 0

Combine like terms: -3r + 3r = 0
9 + 0 + 5r2 + -1r2 + -2r3 = 0
9 + 5r2 + -1r2 + -2r3 = 0

Combine like terms: 5r2 + -1r2 = 4r2
9 + 4r2 + -2r3 = 0

Solving
9 + 4r2 + -2r3 = 0

Solving for variable 'r'.

The solution to this equation could not be determined.

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