Question

alguien me ayuda pliss

Answer 1

i)   〖3a〗^2/8-〖5a〗^2/8+〖2a〗^2/8

(〖3a〗^2-〖5a〗^2+〖2a〗^2)/8

(3-5+2)a^2

〖0a〗^2

0/8

0

j)   -(3f^2)/5-(2f^2)/5+(1f^2)/5

(-3f^2-2f^2+1f^2)/5

-4/5 f^2

-0,8f^2