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Mathematics 12 Online
OpenStudy (mtwizzle420):

Simplify the radical expression.

OpenStudy (mtwizzle420):

|dw:1425068116687:dw|

OpenStudy (mtwizzle420):

@Nnesha

Nnesha (nnesha):

\[\large\rm \sqrt{5}+6\sqrt{5}\] is same as \[\huge\rm 1 \sqrt{5} +6\sqrt{5}\] both 1 and 6 have same square root of 5 so take out sqrt{5} and add out side number

OpenStudy (mtwizzle420):

7 sqrt 10?

OpenStudy (mtwizzle420):

or would it be 7 sqrt 5 cause there are two 5?

OpenStudy (mtwizzle420):

@Nnesha

Nnesha (nnesha):

yes 2nd one sqrt{5} bec sqrt{5} is common

OpenStudy (mtwizzle420):

Thanks!! :)

Nnesha (nnesha):

|dw:1425068921349:dw| like this so final answer is \[7\sqrt{5}\]

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