(13f^3-9f^2+7f-16)-(-8f^3+5f^2+9f-4)=

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Solution for (13f^3-9f^2+7f-16)-(-8f^3+5f^2+9f-4)= equation: 


Simplifying
(13f3 + -9f2 + 7f + -16) + -1(-8f3 + 5f2 + 9f + -4) = 0

Reorder the terms:
(-16 + 7f + -9f2 + 13f3) + -1(-8f3 + 5f2 + 9f + -4) = 0

Remove parenthesis around (-16 + 7f + -9f2 + 13f3)
-16 + 7f + -9f2 + 13f3 + -1(-8f3 + 5f2 + 9f + -4) = 0

Reorder the terms:
-16 + 7f + -9f2 + 13f3 + -1(-4 + 9f + 5f2 + -8f3) = 0
-16 + 7f + -9f2 + 13f3 + (-4 * -1 + 9f * -1 + 5f2 * -1 + -8f3 * -1) = 0
-16 + 7f + -9f2 + 13f3 + (4 + -9f + -5f2 + 8f3) = 0

Reorder the terms:
-16 + 4 + 7f + -9f + -9f2 + -5f2 + 13f3 + 8f3 = 0

Combine like terms: -16 + 4 = -12
-12 + 7f + -9f + -9f2 + -5f2 + 13f3 + 8f3 = 0

Combine like terms: 7f + -9f = -2f
-12 + -2f + -9f2 + -5f2 + 13f3 + 8f3 = 0

Combine like terms: -9f2 + -5f2 = -14f2
-12 + -2f + -14f2 + 13f3 + 8f3 = 0

Combine like terms: 13f3 + 8f3 = 21f3
-12 + -2f + -14f2 + 21f3 = 0

Solving
-12 + -2f + -14f2 + 21f3 = 0

Solving for variable 'f'.

The solution to this equation could not be determined.

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