r(s)=s^2-7s-18

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Solution for r(s)=s^2-7s-18 equation: 


Simplifying
r(s) = s2 + -7s + -18

Multiply r * s
rs = s2 + -7s + -18

Reorder the terms:
rs = -18 + -7s + s2

Solving
rs = -18 + -7s + s2

Solving for variable 'r'.

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

Divide each side by 's'.
r = -18s-1 + -7 + s

Simplifying
r = -18s-1 + -7 + s

Reorder the terms:
r = -7 + -18s-1 + s

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