Question

how to simplify sqrt(12^2+12^2x3) ?

Answer 1

\[\sqrt{12^2+12^2\times 3} \]

Answer 2

\[\sqrt{144 +432}= \sqrt{576} = \sqrt{24^2}=24\]

Answer 3

what if u dunno 576=24^2

Answer 4

the worked solns had sqrt(4x144)=24 how did they get that 4x144

Answer 5

nvmm

Answer 6

OK do you know what 576 is divisible by 4

Answer 7

Yeah you could have done \[\sqrt{144*4}=2\sqrt{144} = 2*12= 24\]

Answer 8

yeah my bad ..

Answer 9

is there a way to find highest perfect square ? cant remmeber l..

Answer 10

You need to remember these numbers 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 196, 225.

Answer 11

hm cant remember but i think teacher showed something like keep halving until u find squares.. 3 years ago ..

Answer 12

like 576 = 2x288= 4x144

Answer 13

OH yeah that could work

Answer 14

oh is it just breaking it down into its factors .. xd

Answer 15

Thats it =D

Answer 16

thankss