Question

How do I multiply Rational Expressions?

Answer 1

don't knoo

Answer 2

Btw, my question is \[\frac{ 2x}{ (x-5) }\times \frac{(x-4) }{ (x+1) }\]

Answer 3

sorry i was typing that XD

Answer 4

multiply straight across, just like with numbers

Answer 5

ya

Answer 6

yeah but my real problem was if i just leave (x-5 and (x+1) just like that.

Answer 7

if you had common factors you could cancel them (just like with numbers) but in this case you do not

Answer 8

or do i spread it?

Answer 9

makes no difference unless you are told to do one or the other

Answer 10

oh so i leave it then?

Answer 11

just like that?

Answer 12

you can
just leave it as you see it, get rid of the times sign and use only one fraction bar

Answer 13

\[ \frac{ 2x ^{2}-8x }{ (x-5)(x+1) }\]

Answer 14

that?

Answer 15

or if your teacher wants you to do more work, multiply out (distribute) or as you so elegantly put is, spread them

Answer 16

XD

Answer 17

i'll leave it like that, too lazy :P

Answer 18

anyways thx m8 appreciate it :D

Answer 19

yw