factorise the following by splitting the middle term s^2-s-9
Answers
Answered by
1
Answer:
sgsjdvhssbskjsusxidb
Answered by
0
Answer:
(s-9)(s+1)
Step-by-step explanation:
s²-8s-9
=s²-9s+s-9
=s(s-9)+1(s-9)
=(s-9)(s+1)
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