Question

show that the sum of the slope mf+mg=sum of the slope m(f+g)

Answer 1

expand the RHS.

Answer 2

\[LHS=m(f+g)\]
\[=(m\times f)+(m\times g)\]

Answer 3

Finish it off and after the RHS equals the LHS, just write down =LHS at the end of your working.

Answer 4

It's meant to be
\[RHS=m(f+g)\]
Not \[LHS\]