book
Maths Puzzle
Numerical Ability
x^3-27=(x-3)(x-3)(x-3)
Did I do the problem right? He wanted me to factor completely. If it is wrong, could you show me how to do the problem? Thank you.
Read Solution (Total 0)
book Other Question
I get confused on how to diversify between putting a negative and positive on problems such as in multiplying, dividing, adding, and subtracting. How do i keep them straight? Is there some kind of way i can keep them apart or at least remember them??
Which system should be used for:
5x-y=1
10x-2y=2