kesslerlillie kesslerlillie

02-04-2017
Mathematics

contestada

find the difference in simplest form.
2b/b^2-2b+1 - 2/b^2-2b+1

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darcygott darcygott

03-04-2017

1) factor the denominators: 2b/(b-1)2 - 2/ (b-1)2
2) MAKE SURE YOU HAVE A COMMON DENOMINATOR
3) combine the numerators: 2b-2/(b-1)2
4) distribute 2 from numerator: 2(b-1)/(b-1)2
5) simplify; answer is 2/(b-1)

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