Question

How would I solve this? Steps please so I can understand.

-5√3 + √27

Answer 1

@hartnn

Answer 2

simplfy that 27 into its prime factors

Answer 3

are you sure?

Answer 4

if we can get that sqrt(27) to simplify to: n sqrt(3) this will be simple enough

Answer 5

where did n cum from?

Answer 6

you are allowed to use nonporn site spellings here ... "come" is proper

Answer 7

my apologies. it was used for abbr.

Answer 8

the n (for number) is just standing in at the moment, the important thing is that we want to simplify that sqrt(27) into that form

Answer 9

okay:)

Answer 10

So, simplify sq r 27 to n square r 3?

Answer 11

yes, one method is to try to find a perfect square: 1,4,9,16,25,36,... that is a factor of 27

Answer 12

..and just as a side note :) it is not exponentially difficult to type "come" in order to justify abbreviating it to 3 letters ... just saying :)

Answer 13

you are ace high with that point, dear

Answer 14

9!!!

Answer 15

9 is great

we know that we can turn sqrt(9) into 3, such that sqrt(27) = sqrt(9*3) = 3sqrt(3)

now that we have some "like" factor, adding them should be a sinch

Answer 16

-5√3 + √27

-5√3 + √3

(-5+3)√3

-2√3

Answer 17

forgot the 3 in the second line :/

Answer 18

where should the 3 be in the third line?

Answer 19

-5√3 + √27

-5√3 + 3√3 <-- think of this like -5x + 3x, and factor out an x if need be

(-5+3)√3

-2√3

Answer 20

thank you so very much. you're perf

Answer 21

good luck ;)