Mathematics
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OpenStudy (anonymous):
Simplify.
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OpenStudy (anonymous):
\[5\sqrt{7} + 12\sqrt{6} - 10\sqrt{7} - 5\sqrt{6}\]
OpenStudy (hockeychick23):
combine like terms so do 5√7-10√7 and do 12√6-5√6
OpenStudy (anonymous):
Combine the like terms
OpenStudy (anonymous):
im still confused
do i add 7 6 7 6
OpenStudy (hockeychick23):
no so you do 5-10 first
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OpenStudy (anonymous):
You add the ones that have the same sqrt roots at the end
OpenStudy (anonymous):
okay after 5 - 10 i subtract -5 from 7.?
OpenStudy (hockeychick23):
no so doing that you get-5√7
OpenStudy (hockeychick23):
whats under the square root doesn't change
OpenStudy (anonymous):
all i see are question marks when u type
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OpenStudy (hockeychick23):
try refreshing the page, it should fix that
OpenStudy (anonymous):
Okay i did
OpenStudy (anonymous):
now subtract 5 - 10 which is -5
OpenStudy (anonymous):
that -5 is now infront of the first square root 7.?
OpenStudy (hockeychick23):
we already did that, so you got -5√7 and now have to do 12√6-5√6
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OpenStudy (anonymous):
so 12 - 5?
OpenStudy (anonymous):
lol I see what he is talking about with the question marks it is hard to read
OpenStudy (hockeychick23):
correct
OpenStudy (anonymous):
so now its 7 square root of 6
OpenStudy (hockeychick23):
correct, so you get -5√7+7√6
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OpenStudy (anonymous):
so -5 + 7 .?
OpenStudy (hockeychick23):
no, you cant simplify it any further, you have to leave it as -5√7+7√6
OpenStudy (anonymous):
so thats the answer.?
OpenStudy (hockeychick23):
yes, or you can write it as 7√6-5√7
OpenStudy (anonymous):
Thank you so much!! Sorry for not getting it quicker! Again thanks a lot!
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OpenStudy (hockeychick23):
no problem!(:
OpenStudy (anonymous):
Could i just ask one more?