Question

( 5m + 7n ) × ( 5m - 7n ) pls help I will make you brainliest .
Step by Step​

Answer 1

Answer:

please mark me as brainliest

Answer 2

Step-by-step explanation:

5m(5m-7n)7n(5m-7n)

= 25m^2-35mn+35mn-49n^2

= 25m^2-49n^2

hope this helps