exam Maths Puzzle Numerical Ability

Hello,
can anyone help me factor these polynomals completely.
Much appreciated.

Todd

125 - 8x cubed ?

54t cubed + 16v cubed. I believe this one must ne prime

Read Solution (Total 0)

exam Other Question

How many years will it take $6,000 invested at 8% interest to earn $1,680? 1)show me how to compute the following:
log_2(4)log_4(6)log_6(8)

2a)write as sum and difference logs:
b)show log_b(A/D)=log_b(A)-log_b(D)
log_4[-4^3x^2(x-1)^1/2/(x+3)^3