Question

3a+5a(6b-15a)
considerando a= -3; b= -1; c= 1/3

Answer 1

= (3*-3)+(5*-3)((6*-1)-(15*-3)
= -9 -15(-6+45)
= -24(39)
= -936

Answer 2

3a+5a(6b-15a)
3.(-3)+5.(-3)(6.(-1)-15.(-3))
-9-15(-6+45)
-24(+39)
-936