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Mathematics 10 Online
OpenStudy (anonymous):

Simplify 7√80 = ?

OpenStudy (hoblos):

7√80 = 7√(16*5) = 7*4√5 = 28√5

OpenStudy (mertsj):

\[7\sqrt{80}=7\sqrt{16(5)}=7(4)\sqrt{5}=28\sqrt{5}\]

OpenStudy (anonymous):

simplify fully = 9√3 x 7√9 ??

OpenStudy (mertsj):

\[9\sqrt{3}(7\sqrt{9})=9\sqrt{3}(7)(3)=189\sqrt{3}\]

OpenStudy (anonymous):

simplify fully = 6√5 x 2√9?

OpenStudy (mertsj):

\[6\sqrt{5}(2)(\sqrt{9})=6\sqrt{5}(2)(3)=36\sqrt{5}\]

OpenStudy (anonymous):

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