Question

3a + 2b - c and 5a - 4b​

Answer 1

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

=8a-2b-c

Answer 2

ANSWER

−2a+b−8c

Step-by-step explanation:

Sum of −2a+b−5c and 3a−2b+c

−2a+b−5c+3a−2b+c=a−b−4c

Subtracting 3a−2b+4c from a−b−4c

a−b−4c−(3a−2b+4c)

=a−b−4c−3a+2b−4c

=−2a+b−8c