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Mathematics 9 Online
OpenStudy (anonymous):

See pic please

OpenStudy (jdoe0001):

|dw:1374175311121:dw| :P

OpenStudy (anonymous):

\[9\sqrt{7}+2\sqrt{6}+\sqrt{7}\]

OpenStudy (anonymous):

@johnweldon1993

OpenStudy (johnweldon1993):

What...just simplify?

OpenStudy (anonymous):

yea

OpenStudy (jdoe0001):

like-roots, add each other

OpenStudy (johnweldon1993):

Oh okay....well you can only combine numbers with square roots that have the same square roots....so 9√7 + √ 7 = 10√7 And we have 2√6 + 10√7 Thats all that can be simplified

OpenStudy (johnweldon1993):

I mean I supposed we could factor out a 2 2(√6 + 5√7) But that doesn't seem necessary...

OpenStudy (anonymous):

where did you get the 6from?

OpenStudy (johnweldon1993):

The equation you wrote was \[\large 9\sqrt{7} + 2\sqrt{6} + \sqrt{7}\]

OpenStudy (anonymous):

o yea:P nvm! thank you!

OpenStudy (johnweldon1993):

Haha :P No problem :)

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