Question

5m^2+31mn-28n^2
answer is (5m-4m)(m+7n)​

Answer 1

Step-by-step explanation:

5m²+31mn-28n²

=5m²+35mn-4mn-28n²

=5m(m+7n)-4n(m+7n)

=(5m-4n)(m+7n)

here is your answer