Math

Could someone please help me with this math problem. I am lost on trying to solve this math problem.
Add. Simplify if possible.
s+r/sr^2 + 2s+r/s^2r
Thanks.

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  1. s+r/sr^2 + 2s+r/s^2r

    Multiply by s^2r^2.

    s(s+r) + r(2s+r) = s^2 + sr + 2sr + r^2 =

    s^2 + 3sr + r^2

    Does that help?

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