Question

verify (-30)×[c-3+13]=(-30×(-30×(-3)]+[c-30×30×13
(plz give. full explaination)​

Answer 1

Explanation:

(-30)(c-3+13)=(-30)(-30×-3)+(c-30×30×13)

-30(c+10)= -30(90)+(c-11700)

-30c-300= -2700+c-11700

-30c-c-300= -2700-11700

-31c-300= -14400

-31c= -14400+300

-31c= -14100

31c=14100 (minus will cancel as it is both side)

c=14100/31

c=454.8

c=455 (approx.)