exam
Maths Puzzle
Numerical Ability
can i get this one checked please
multiply
2m(5m-3)(4m+7)
2m(5m-3)(4m+7)
2m(20m^2-21)
40m^3-42
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exam Other Question
-4+2i/y-i
Solve, and express the answer in set notation:
|9 - 2x| <5