Question

(a+b)²whar is the formula

Answer 1

$a^{2} + 2ab + b^{2}$
this is the right answer....

Answer 2

(a+b)²

= (a+b) * ( a + b)

= a ( a + b) + b ( a + b)

= a² + ab + ab + b²

= a²+2ab+b²

Hope helped!