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Mathematics 7 Online
OpenStudy (megannn):

simplify the radical exspression drawing below .

OpenStudy (megannn):

-2 square root of 2p * 2 square root of 22

ganeshie8 (ganeshie8):

\(-2\sqrt{2p} * 2\sqrt{22}\) like this ?

OpenStudy (megannn):

yes @ganeshie8

ganeshie8 (ganeshie8):

okay = \(-2*2\sqrt{2p * 22}\)

ganeshie8 (ganeshie8):

since both terms are square roots, we can pull them into ONE radical while doing multiplication

OpenStudy (megannn):

square root of 44p ?

ganeshie8 (ganeshie8):

= \(-4\sqrt{2p * 2*11}\) = \(-4\sqrt{2^2 * p * 11}\) = \(-4*2\sqrt{2*11}\) = ?

OpenStudy (megannn):

so would it be -8 square root of 11p

OpenStudy (megannn):

@ganeshie8

ganeshie8 (ganeshie8):

thats right... i had a type there. but you have corrected it. good job :DD

OpenStudy (megannn):

thanks :) @ganeshie8

ganeshie8 (ganeshie8):

yw... :))

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