How do you find the square of the sum (a+b) to the second power if there is no value to a or b?

Question

How do you find the square of the sum (a+b) to the second power if there is no value to a or b?

Answer 1

a(power of 2)+b(power of 2)

Like it doesn't matter if there is not representative value for them. They are variables A and B. A+B = A+B

=)

Answer 2

just use the letters. it is a^2 + 2ab + b^2