Question

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Answer 1

I did

Answer 2

I did last year. Maybe I can help

Answer 3

you mean like\[Simplify \sqrt{5x^2}\]

Answer 4

OK, what's teh problem?

Answer 5

the*

Answer 6

OK.

Answer 7

\[\sqrt{20}\]=\[2\sqrt{5}\]

Answer 8

\[\sqrt{70x^2}\]=sqrt(2)*sqrt(5)*sqrt(7)*abs(x)

Answer 9

Oops. thats\[\sqrt{2} \times \sqrt{5} \times \sqrt{7} \times \left| x \right|\]

Answer 10

your fine!

Answer 11

Uhm.. number 3 comes up like this:

Answer 12

Are you still here?

Answer 13

you fine

Answer 14

OK, good. I think @mariisol was talking to me. But I have no idea what she's talking about. xD

Answer 15

I'am bi

Answer 16

Okay, lets ignore her and move on

Answer 17

mariisol, irrelevant. Please don't spam again.

Answer 18

No, it's \[2\sqrt{5}\]because we have \[\sqrt{20}=\sqrt{4 \times 5}=\sqrt{4} \times \sqrt{5}\]

Answer 19

Simplify sqrt(4) to get 2

Answer 20

then you can't simplify sqrt(5) to get a whole number. so we leave it as 2sqrt(5)

Answer 21

OK, so moving on

Answer 22

Here is number 4:

Answer 23

OK, you're welcome.