Respuesta :
You multiply it together like (a+b)(a+b)
the answer would be a^2 + 2ab + b^2
the answer would be a^2 + 2ab + b^2
Answer:
a^2+2ab+b^2
Step-by-step explanation:
(a+b)^2= (a+b)(a+b)= a^2+2ab+b^2