Question

4(4с-3)-(10с+8)  при с= 5/6

Answer 1

4(4с-3)-(10с+8)=16с-12-10с-8=6с-20
при с=$frac{5}{6}$
$frac{5*6}{6} - 20= 5-20=-15$

Answer 2

=16с-12-10с-8=6с-20
если с=5/6 то 6$* frac{5}{6}$-20=5-20=-15