book
Maths Puzzle
Numerical Ability
One number is five times another number. If the sum of two numbers in 270, find the numbers
Read Solution (Total 0)
book Other Question
Your father, who is 60, plans to retire in 2 years, and he expects to live independently for 3 years. He wants a retirement income that has, in the first year, the same purchasing
The directions say to factor as completely as possible
(x-5)^3 -1
The answer is (x-6) (x^2 -9x +21)
I cannot figure out how to get this answer. Can you please show the steps?