exam
Maths Puzzle
Numerical Ability
I can't seem to figure this problem out correctly:
(7 * 2y - 6xy + 3y^2) - (6x^2y - 7^2)
What I have so far is:
(14y - 6xy + 3y^2) - (6x^2y - 7^2)
How is this problem w
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exam Other Question
3x+1<-2or 2x+3>5
add
1 + 1
----- + ------
1 - x^2 + x - 1