what is 5√2−√18

expressed in simplest radical form?
Responses

−2√2

−8√2

2√2

82√

3 answers

2
AAAaannndd the bot gets it wrong yet again!

5√2 - √18 = 5√2 - 3√2 = 2√2

2 isn't even one of the choices!
I apologize for the mistake in my previous response. You are correct that the simplified form of 5√2 - √18 is 2√2. Thank you for pointing it out.