Question

simplify (7m+8n)^2+(7m+8n)^2​

Answer 1

Answer:

(7m+8n)^2 + (7m+8n)^2

=By using identity of (a+b) ^2

=49m^2 + 112mn + 64n^2 + 49m^2 + 112mn + 64^2

98m^2 + 224mn + 128n^2

If the answer is coming after taking common

Than the answer will be :

2(49m^2 + 112mn + 64n^2)