square root of 3a(square root of a -7square root of 3)
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The first thing I would do in this problem would be distribute the sqrt (3a) to what is in the brackets.
The equation then becomes: (sqrt (3a) * (sqrt (a)) +(sqrt (3a) -7 sqrt(3))
Then we can start to simplify, we can pull the "a" out of the first part because sqrt(a) * sqrt(a) = a
using the same logic, we can pull out the 3 in the second part.
Now it reads: a sqrt(3) -7*3 sqrt(a)
all we can do to simply if further is multiple -7 *3 ....so our final answer is:
a sqrt(3) -21 sqrt(a)
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