Question

(5a+7b+8c)+(a+3b+2c)=​

Answer 1

After adding we get:

(3a−4b+4c)+(2a+3b−8c)+(a−6b+c)

=3a+2a+a−4b+3b−6b+4c−8c+c

=6a−7b−3c

Answer 2

Answer:

= (5a + 7b + 8c) + (a + 3b + 2c)

= 5a + 7b + 8c + a + 3b + 2c

= 5a + a + 7b + 3b + 8c + 2c

= 6a + 10b + 10c

= 2(3a + 5b + 5c) answer.