Question

Simplify by factor of 1:
8z-40/8z

Answer 1

8z-40/8z [factor out 8 in numerator and denominator]

z-5/z

could also be written as...
1-5/z

Answer 2

To clarify:
\[\frac{z-5}{z}\]or\[1-\frac{5}{z}\]

Answer 3

Indeed!

Answer 4

couldn't you just factor out 8z from the top and bottom and be left with -40

Answer 5

The entire thing is divided by 8z. It's like if you divorced your wife: she would take half your stuff and half your money. Same thing with 8z. Everything gets divided by 8z.

Answer 6

Jabberwock is correct hwever his analogy is unsafe as if you get yourself an expensive lawyer she just gets away with half of your money!

Answer 7

what if you got a prenup

Answer 8

I think you need differential equations for that.