Question

verify the identity :(a-b) ^2=a^2-2ab+b^2 where a =3m b=5n​

Answer 1

answer

n=9/5

Step-by-step explanation:

=3^2 -2(3)(5n) +(5n)^2

= 9-30n+25n

= 9-5n

5n=9

n=9/5

Answer 2

Step-by-step explanation:

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