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Maths Puzzle
Numerical Ability
If the inside circumference of a circle is 72" what would the outside circumferece br 6" out from inter circle?
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i do not understand polynomials AT ALL so any help would greatly be appreciated
(2x squared +3x - 5)+ (7x squared -x+7)=
i tried it and this is what i got for the answer
9xsquar
Can't seem to get this one right. Any help would be appreciated.
1/x^2 + 2x + x/x^2 - 4