Book
Maths Puzzle
Algebra
1) 2000 because it is the closest number to 4000
2) 700*23/100 = 161
3) (-6+4)/(6-1) = -2/
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Book Other Question
I need to be able to divide the following. Can this be done with long division - if so, is the answer 1 with a remainder?
(x^2 + x - 72)/(x^2 - 81)
Please explain how the simplifying works to get from:
D/3 = 4 + D/9,
TO:
3D = 36 + D
Also, where could I find more about this type of problem?