Question

Let u = <5, 6>, v = <-2, -6>. Find -2u + 5v.

Answer 1

since -2u=-2<5,6>=<-10,-12>
and <a+b>+<c,d>=<a+c,b+d>

Answer 2

First you find -2u, which is what @Er.Mohd.AMIR did pretty much

Answer 3

then same thing for 5v

Answer 4

once you succeeded in that you just add respective x components and y components

Answer 5

is it <-20,-42> then? @xapproachesinfinity

Answer 6

its answer u got correct.