Question

What is the exact value of the expression 8 sqrt 15 + 5 sqrt 5 + sqrt 15

Answer 1

\[8\sqrt{15}+5\sqrt{5}+1\sqrt{15}\]

Answer 2

Add the coefficients of the radicals that have the same radicand.

Answer 3

yes, this is it

Answer 4

i still dont get it

Answer 5

do i start by \[8\sqrt{5} . 3 + 5\sqrt{5 } + 1\sqrt{5} . 3\]

Answer 6

think of sqrt 15 as x

\[8x + \sqrt 5 + x\] you can combine something right?