Forty discrete math students are to be divided into eight discussion groups, each consisting of five students. In how many ways
1 answer:
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Answer:
Step-by-step explanation:
1) Rewrite in the form
, where a = y and b = 1.
2) Use Square of Difference: .
3) Factor .
1 - Ask: Which two numbers add up to 6 and multiply to -7?
-1 and 7
2 - Rewrite the expression using the above.
Outcome/Result:
4) Rewrite the expression with a common denominator.
5) Expand.
6) Collect like terms.
7) Simplify to