pmsqrt54

Question

pmsqrt54

anonymous · Answer

what do you want to do ......?

anonymous · Answer

$$\pm \sqrt{54}$$

anonymous · Answer

it says to simplify

anonymous · Answer

idk how

amistre64 · Answer

what are the prime factor of 54?

amistre64 · Answer

or rather, the perfect square factors, but primes is a good start

amistre64 · Answer

54 = 2.28

54 = 2.2.14

54 = 2.2.2.7

sqrt(54) = sqrt(2.2.2.7) = sqrt(4.14) = sqrt(4) sqrt(14)

amistre64 · Answer

2.28 = 56 tho doesnt it ... :/

anonymous · Answer

@amistre64 or @phi, would you mind helping me solve my question afterwards? http://openstudy.com/study#/updates/500186ede4b0848ddd65fc57

phi · Answer

amistre is setting off on the wrong foot.

amistre64 · Answer

54 = 2.27

54 = 2.3.9

54 = 6.9

sqrt(54) = sqrt(6.9) = sqrt(6) sqrt(9)

amistre64 · Answer

i got to left feet :)

anonymous · Answer

im srry i dont understand

amistre64 · Answer

youll have to be more specific about what it is that youdont understand then

anonymous · Answer

where did the decimals come from

amistre64 · Answer

my keyboard :/

its a lazy multiplication sign.

its easier for me to hit "."  than it is to hit "shift+8" every time

anonymous · Answer

what do i do with the plus minus sign is this
does my answer turn into this $$-3\sqrt{6}$$ and $$3\sqrt{6}$$

amistre64 · Answer

thats correct, the +- means there are 2 results; a positive and a negative

anonymous · Answer

oh ok then the answer i wrote above is correct

jiteshmeghwal9 · Answer

the answer u gt will come both in plus & minus

anonymous · Answer

ok then thank  you very much

amistre64 · Answer

yw, and good luck :)