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Bonus Question
- Thread starter jls36278
- Start date
D
Deleted member 4993
Guest
jls36278 said:Ok...this is a bonus question for my class and I have no idea.....
Evaluate the following expression exactly:
9876543210
---------------------------------------------------------------
9876543211^2 – 9876543210 * 9876543212
Have you done any Algebra?
Do you mean have I done any work toward the answer to this question? If so, then not really...I have been out of math for so many years that I have no idea where to start.
If you mean, have you had any algebra classes ever, then yes.......11 years ago... that's a long time when you never use it in the 11 years.
If you mean, have you had any algebra classes ever, then yes.......11 years ago... that's a long time when you never use it in the 11 years.
D
Deleted member 4993
Guest
jls36278 said:Ok...this is a bonus question for my class and I have no idea.....
Evaluate the following expression exactly:
9876543210
---------------------------------------------------------------
9876543211^2 – 9876543210 * 9876543212
assume
9876543211 = x
9876543210 = ??
9876543212 = ??
Then use the fact:
\(\displaystyle (a+b) \ * \ (a-b) \ = \ a^2 \ - \ b^2\)