7s/s^2-6s+9 + 4/s^2-s-6

This is so stupid. I will never use this is every day life, I just dont understand
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1 Answer

7s/(s2-6s+9)+4/(s2-s-6)=

7s/(s-3)2+4/((s-3)(s+2))= (LCM=(s-3)2(s+2).)

7s(s+2)/((s-3)2(s+2))+4(s-3)/((s-3)2(s+2))=

(7s2+14+4s-12)/((s-3)2(s+2))=

(7s2+4s+2)/((s-3)2(s+2)).

by Top Rated User (1.2m points)

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