Description
Divide s² - 5s / s² - 8s + 15 ÷ s + 3 / s - 3
a. s - 5 / s² + 3s
b. s - 5 / s + 3
c. s + 3 / s
d. s / s +3
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Explanation & Answer
Answer is D.
s / (s+3)
s² - 5s / s² - 8s + 15 ÷ s + 3 / s - 3
= s(s-5) / (s-5)(s-3) ÷ s + 3 / s - 3
= s / (s-3) ÷ s + 3 / s - 3
= s/(s+3)
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