book
Maths Puzzle
Numerical Ability
5/(x+2) - 3X/(x^2-3X)=
5/(x+2)- 3X/(x(x-3))=
It is at this point where I have no earthly idea what to do next. What cancels out?
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book Other Question
Solve for X
4x^2+5x-7<12x^2+16x-10
Any idea how I might start trying to solve this one?
if w = 10, x = 5.5 y = 4 and z = 3
How might I try to solve the equation:
aw + bx +cy + dz = 140.
All suggestions much appreciated