50.24 divided by 3.14
m(2xm)
(x-2) (x-2)
caculate the sum:2+(-2)+2+(-2)+2+(-2)..if the number of terms is 219
m(-m+2)
calcular distancia entre (-2,3,1) y (0,1,2)
(x-4)^2
m(2-m)
subtitute m(2-m)