Question

Qual a expressao algébrica de :(x-y). (y-1x),para x=3 e Y =-1/2

Answer 1

(x-y). (y-1x) sendo x=3 e y=-1/2, então
(3-(-1/2)) . (-1/2-3)=
(3+1/2) . (-1/2-3)=
(6/2+1/2) . (-1/2 -6/2)=
(7/2) . (-7/2)=
-49/4