Question

a square + 2 a b + b square minus C square ​

Answer 1

Step-by-step explanation:

${a + b}^{2} - {c}^{2}$

${(a + b - c)}^{2}$

Answer 2

Answer:

(a + b + c) (a + b – c)

Step-by-step explanation:

a2 + 2ab + b2 – c2 = (a2 + 2ab +b2) – c2

= (a + b)2 – (c)2

= (a + b + c) (a + b – c)