SURDS: How to multiply surds easily (5 golden rules for radicals) : essential GCSE revision

The trick to multiplying SURDS (Radicals) easily.
a) The first example multiplies two surds which simplify
b) The second example shows how the answer can be a surd or radical
c) the third example involves multiplying surds and whole numbers (integers)
d) The fourth example shows how to square a surd
e) The fifth example involves squaring a surd which is being multiplied by a whole number (integer)
- essential GCSE maths revision.Become a maths genius, get the basics correct.

[sofia]

So much help the night before my exam! :)

[SinisterTruthUnveiled]

24 minutes before my GCSE actual paper mate and you are of big help thanks man

[amye]

Thank you!! Always fun realising you don’t know surds day before your mock. You really saved me XD

[immy]

thank you soo helpful for my GCSE revision !

[Timbojones]

Your awesome man! By far the easiest to understand I have come across!

[MathslearnCoUkvideos]

No, this is the key point about SURDS
root3 * root3 = root9=3
Generally, roota * rootb=root(a*b)
Regards,
J Yates

[zuesslayer]

thanks. my maths teacher is so boring its hard to stay awake in his class, so naturally I kind of dosed a bit and missed surds :( i think i understand now though. thanks again.

[Malc]

You made that look stupidly easy - many many thanks!

[musadukureh]

Thanks a lot man you saved my ass love you

[weflyhigh]

number 4 you said root of 3 x root of 3 = root of 9. a root x same root is the numbr? root 3 x root 3 = 3?

[GiaNXaviouRX]

how do you do this one?
(2 √(12) + 3 √(18))^2

[ikraamm]

OML, tysm you saved my life from a detention xD

[Phil-wwwd]

Taught me more than my teacher and he used 45m!