Question

solve the following
5m^2-22m-15=0

Answer 1

5m2-25m+3m-15

5m(m-5)+3(m-5)

(5m+3)(m-5)

m=-3/5

And

m=5

Answer 2

5m^2 - 22m -15 = 0

=>  5m^2 - 25m + 3m - 15 = 0

=>  5m(m-5) +3(m-5) = 0

Hence, m = 5 or m = -3/5