Question

5m2+3m+8; m3-6m2+4m;m3-m2-m+5​

Answer 1

Step-by-step explanation:

(5m

2

+3m+8)+(m

3

−6m

2

+4m)+(m

3

−m

2

−m+5)

=m

3

+m

3

+5m

2

−6m

2

−m

2

+3m−m+8+5

=2m

3

−2m

2

+6m+13