Answer :
HERE IS THE SOLUTION FOR YOUR QUESTION;
The identity used here is (a+b) (a-b)=a^2-b^2.
Putting in identity;
16m^2-9 is the correct answer.
hopes it helps
HERE IS THE SOLUTION FOR YOUR QUESTION;
The identity used here is (a+b) (a-b)=a^2-b^2.
Putting in identity;
16m^2-9 is the correct answer.
hopes it helps