Question

Help please.. -2√(6k^3) 3√(21k^2) Simplify

Answer 1

exactly what is there ?

-2sqrt(6k^3) * 3sqrt(21k^2) = ?

Answer 2

hmm well thats stupid.. lol my teacher wrote that down and told me to simplify it, but if its already simplified, why have that as a question... Thanks!

Answer 3

so how i have wrote above is right ?

Answer 4

hope is correct

so than you need calculi,simplifie first what is inside squareroot

ok ?

Answer 5

first there is

sqrt(6k^3) =

can you continue it ?

Answer 6

you dont like cooperat anything ?

Answer 7

sorry but i dont think you can even simplify sqrt(6k^3), at least i dont think..

Answer 8

why ?

you can rewriting it like

sqrt(6*k^2 *k) =

Answer 9

hope you know that sqrtk^2 =k

yes ?

than this mean that will be equal ksqrt(6k)

do you understand it why ?