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Question: double negative

Question:double negative

Stretto 250 Maple
syntax
September 21 2020
1

Why can't I do double negatives and why is it so difficult to do simple mathematics with negatives?

 

(a - b)

 

want to simply rewrite this by substitution for a simple quick calculation, repalce a and b with their values, e.g.,

 

-3 - -5

 

Maple complains!

4*-10

 

maple complains!

 

This makes it impossible to not have to rewrite simple expressions just to get maple to work.

 

Surely there is a untary negative sign that I can use that will please maple?

 

 
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