exam
Maths Puzzle
Numerical Ability
1/r^2-1=2/r^2+r-2
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exam Other Question
How many terms are in the expression 5m2 - mn + 4n + 7?
and
Which terms are alike?
xy2
2xy
x2
-xy
2x2y
xy
Simplify -3xy3 + 7xy3 + (-xy3) + (-3xy3).
Please help to factor
x^3y^3 - 64