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Maths Puzzle
Numerical Ability
I need help with the following problem.
Solve for X
6/x^2-1 + 5/x+1 = 3/x-1
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book Other Question
A motorboat goes 5 miles upstream in the same time it requires to go 7 miles downstream. The river flows at 2 miles per hours. What is the speed of the boat in still water?
How do i solve this in synthetic division (x to the third power plus x to the second power minus threex plus four)divided by (x minus three)