Question

Find the value of m if (-5)m+1 × (-5)7= (-5)9

Answer 1

Answer:

Step-by-step explanation:

(-5)m+1 × (-5)7= (-5)9

-5m+1 × -35= -45

-5m-35= -45

-5m= -45+35

-5m= -10

m=2

Answer 2

Answer:

Step-by-step explanation:

-5m+1×-35=-45

175m-35=-45

175m=-10

M=-2/35