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OpenStudy (anonymous):
Find the exact value of the radical expression 2 sqrt(7x) + sqrt(7x) - 3 sqrt(7x)- 7
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OpenStudy (anonymous):
pleasee
OpenStudy (luigi0210):
\[2 \sqrt{7x}+\sqrt{7x}-3 \sqrt{7x}-7\] This?
OpenStudy (anonymous):
yes
OpenStudy (luigi0210):
Okay, all you have to do is add like terms.. replace the sqrt(7x) with an x if that makes it easier for you: 2x+x-3x-7 What do you get?
OpenStudy (anonymous):
-7?
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OpenStudy (luigi0210):
There you go :)
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