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QUICK MATH QUESTION! Help please :) :)

QUICK MATH QUESTION! Help please :) :)
66.2k views
3 votes
QUICK MATH QUESTION! Help please :) :)

QUICK MATH QUESTION! Help please :) :)-example-1
User Sylca
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2 Answers

3 votes
(3)^2 - 7(3) - 4


9 - 21 - 4


-16
User Dennis Bauszus
by
8.0k points
2 votes
In order to evaluate this expression, we plug in 3 where ever we see n. The equation becomes:


3^(2)-7*3-4=9-21-4=-16

So, this expression is equal to -16.
User Artem Ilchenko
by
7.7k points
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