Question

sqrt12 -4sqrt5

Answer 1

First of all, can I write 12 as 4 * 3 ?

Answer 2

\[\sqrt{12} -4\sqrt5\]
Simplify?

Answer 3

yes please

Answer 4

That is : \(\sqrt{\color{blue}{4*3}} - 4\sqrt{5} \)

Answer 5

Is the above okay to you @tishabee ?

Answer 6

Is that how I simplify?

Answer 7

Yes @tishabee , this is the first step.

Answer 8

ok

Answer 9

Im looking to simply the equation above. I need to show my work.

Answer 10

now use \(4=2^2\)

Answer 11

so now you have\[\sqrt{\color{blue}{2^2\times3}} - 4\sqrt{5}\]

Answer 12

now use\[\sqrt{n\times m}=\sqrt n\times\sqrt m\]


and\[\sqrt{x^2}=x\]