Question

4 (3+ 1/4c -1/2d) = _____

Answer 1

4(3+1/4c - 1/2d)=
12+ 4/1•1/4c - 4/1 •1/2d=
12+4/4c - 4/2d=
12+1c - 2d

Answer 2

4(3+14c−12d)

=(4)(3+14c+−12d)

=(4)(3)+(4)(14c)+(4)(−12d)

=12+c−2d

=c−2d+12