exam
Maths Puzzle
Numerical Ability
factor each expression:
8x^3 + 4x^2 - 2X-1
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exam Other Question
The number of people who catch a cold t weeks after January1 is:
5t-3t squared+t cubed. The number of people who recover t weeks after January 1 is: t - t squared + 1/3t cubed.
3x+x(x-2)=4