Question

a-2b-3c from -2a+5b-4c ​

Answer 1

Answer:

I think this is how u solve it :

-2a+5b-4c

(-) a-2b-3c

So u get

-a+2b+3c (because there is a "-" outside the bracket)

So that is

-3a+7b-c

I'm not sure but this is girst so if i'm wrong i'm sorryyy

Answer 2

Step-by-step explanation:

from after number should come after the first number

=-2a+5b-4c-a-2b-3c

=a+3b-7c