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Mathematics 63 Online
OpenStudy (anonymous):

√32+√72 With Steps

OpenStudy (watchmath):

\(\sqrt{4\cdot 8}+\sqrt{9\cdot 8}=2\sqrt{8}+3\sqrt{8}=5\sqrt{8}\)

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

thats wrong tho

OpenStudy (anonymous):

in the answer key it says 10√2

OpenStudy (watchmath):

We can simplify more :) into \(10\sqrt{2}\)

OpenStudy (anonymous):

how

OpenStudy (watchmath):

5\(5\sqrt{8}=5\sqrt{4\cdot2}=10\sqrt{2}\)

OpenStudy (anonymous):

howd u do tht

OpenStudy (watchmath):

Well write 8 as 4*2 then \(\sqrt{4\cdot 2}=\sqrt{4}\sqrt{2}=2\sqrt{2}\) So \(5\sqrt{8}=5\cdot2\sqrt{2}=10\sqrt{2}\)

OpenStudy (anonymous):

can u help me on another one instead of me reposting

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