How do you multiply #\frac { 1} { k + 7} \cdot \frac { 8k + 8} { k + 1}#?

1 Answer
smendyka
Nov 8, 2016

#8/(k + 7)#

Explanation:

#8k + 8# can be factored to #8(k + 1)#

Then the term #(8k + 8) / (k + 1)# becomes

#8 (k + 1)/(k + 1) => 8*1 = 8#

Then #8# can be multiplied by #1/ (k + 7)# giving:

#1/(k + 7) * 8 => 8/(k + 7)#

Related questions
Impact of this question
385 views around the world
You can reuse this answer
Creative Commons License