autumn.epic
1 over (b - 1) + 3 over (1 - b)
can someone explain how to do this problem please? :)
Delete
Share
This Question is Closed
MarinaDL
Best Response
You've already chosen the best response.
1
Multiply the second fraction by -1/(-1)
Then you will have 2 fractions with the same denominator and you can add numerators
(1-3)/(b-1)=-2/(b-1) or 2/(1-b)
mathTalk
Best Response
You've already chosen the best response.
1
1/(b-1) + 3/(1-b)
=1/(b-1) - 3/(b-1) = -2/(b-1)
mathTalk
Best Response
You've already chosen the best response.
1
=2/(1-b)
autumn.epic
Best Response
You've already chosen the best response.
0
thanks!
MarinaDL
Best Response
You've already chosen the best response.
1
you are welcome