Question

Expand using formula (a+3)2​

Answer 1

Answer:

a^2+3^2+2a3

a^2+9+6a

Step-by-step explanation:

hope it helps

Answer 2

Answer:

Step-by-step explanation:

$(a+3)^{2}$ = $a^{2}$ + 2(a)(3) + $3^{2}$

$(a+3)^{2}$ =  $a^{2}$ + 6a + 9

Hope it helps