Question

Simplifique a expressão
         a²-b²+(a+b)²
       -----------------------
               a+b

Answer 1

$\frac{ a^{2} - b^{2}+ (a+b)^{2} }{a+b} \\ \\ \frac{ a^{2} - b^{2} + a^{2}+2ab+ b^{2} }{a+b} \\ \\ \frac{2 a^{2}+2ab }{a+b} \\ \\ \frac{2a(a+b)}{a+b} = 2a$