Asked by Spencer
Perform the indicated operation and simplify if possible. Assume any factors you cancel are not zero.
s/(s^2-5s-24)-4/(s+3)
s/(s^2-5s-24)-4/(s+3)
Answers
Answered by
Reiny
factor it first
s/(s^2-5s-24)-4/(s+3)
= s/( (s-8)(s+3)) - 4(s+3) , LCD = (s-8)(s+3)
= ( s - 4(s-8) )/((s-8)(s+3))
= (32 - 3s)/((s-8)(s+3))
or
= - (3s-32)/((s-8)(s+3))
s/(s^2-5s-24)-4/(s+3)
= s/( (s-8)(s+3)) - 4(s+3) , LCD = (s-8)(s+3)
= ( s - 4(s-8) )/((s-8)(s+3))
= (32 - 3s)/((s-8)(s+3))
or
= - (3s-32)/((s-8)(s+3))
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