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Question

How would I factor the trinomial

s^2-11s+30

13 years ago

Answers

Steve
You know it's going to be

(s-?)(s-?)

You know that the two unknown numbers have to multiply to make 30.

So, there are just a few choices:

1,30 or 2,15 or 3,10 or 5,6

Now, they have to add to 11 to make the middle work out. That makes 5,6 the only choice:

(s-5)(s-6)
13 years ago

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