f(f+8)+3*f^3=8f+f^2+81

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Solution for f(f+8)+3*f^3=8f+f^2+81 equation:


Simplifying
f(f + 8) + 3f3 = 8f + f2 + 81

Reorder the terms:
f(8 + f) + 3f3 = 8f + f2 + 81
(8 * f + f * f) + 3f3 = 8f + f2 + 81
(8f + f2) + 3f3 = 8f + f2 + 81

Reorder the terms:
8f + f2 + 3f3 = 81 + 8f + f2

Add '-8f' to each side of the equation.
8f + f2 + -8f + 3f3 = 81 + 8f + -8f + f2

Reorder the terms:
8f + -8f + f2 + 3f3 = 81 + 8f + -8f + f2

Combine like terms: 8f + -8f = 0
0 + f2 + 3f3 = 81 + 8f + -8f + f2
f2 + 3f3 = 81 + 8f + -8f + f2

Combine like terms: 8f + -8f = 0
f2 + 3f3 = 81 + 0 + f2
f2 + 3f3 = 81 + f2

Add '-1f2' to each side of the equation.
f2 + -1f2 + 3f3 = 81 + f2 + -1f2

Combine like terms: f2 + -1f2 = 0
0 + 3f3 = 81 + f2 + -1f2
3f3 = 81 + f2 + -1f2

Combine like terms: f2 + -1f2 = 0
3f3 = 81 + 0
3f3 = 81

Solving
3f3 = 81

Solving for variable 'f'.

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

Divide each side by '3'.
f3 = 27

Simplifying
f3 = 27

Reorder the terms:
-27 + f3 = 27 + -27

Combine like terms: 27 + -27 = 0
-27 + f3 = 0

The solution to this equation could not be determined.

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