Question

How do you factor the following so that the variable appears once: x+Ax (please explain)

Answer 1

x is common to each term so we can write
x (1 + A)

Answer 2

....so if it was x+0.08125x it would factor to x(1+0.08125)?

Answer 3

exactly right

Answer 4

ok! wait...what about.....

Answer 5

2u sub n-1 -.85u sub n-1

Answer 6

that doesn't have the same variable appear....does it?

Answer 7

hmm - this may be an american thing - what do u mean by sub

Answer 8

it means subscript, so like a little n-1 at the bottem

Answer 9

you can just subtract this - like 3x - 0.5x = 2.5x

Answer 10

one more question, is x(1-.18) and (1-.18)x the same?

Answer 11

2 u sub n-1 - 0.85 u sub n-1
= 1.15 u sub n-1

Answer 12

oh ok! i see

Answer 13

yes they are the same - they both mean x times 1 - .18

Answer 14

ok, thanks!! you rock!

Answer 15

no probs

Answer 16

i used too - though i'm a bit old for it now!!

Answer 17

haha! ;)