f(r)=-9r^4+6r^3+7r-17

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Solution for f(r)=-9r^4+6r^3+7r-17 equation: 


Simplifying
f(r) = -9r4 + 6r3 + 7r + -17

Multiply f * r
fr = -9r4 + 6r3 + 7r + -17

Reorder the terms:
fr = -17 + 7r + 6r3 + -9r4

Solving
fr = -17 + 7r + 6r3 + -9r4

Solving for variable 'f'.

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

Divide each side by 'r'.
f = -17r-1 + 7 + 6r2 + -9r3

Simplifying
f = -17r-1 + 7 + 6r2 + -9r3

Reorder the terms:
f = 7 + -17r-1 + 6r2 + -9r3

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