Question

a²+6a+9=____
please fast​

Answer 1

Answer:

$a^2 + 6a + 9= (a+3)^2$

Step-by-step explanation:

$a^2 + 6a + 9=$

Two factors of 9 whose sum is 6 are 3,3.

SO,

$a^2 + 6a + 9= a^2 + 3a + 3a+ 9 \\= a ( a+ 3) + 3 ( a+ 3\\= (a + 3)(a + 3)\\= (a + 3) ^ 2$

Answer 2

Answer:

( a + 3 )²

Step-by-step explanation:

That comes to be : a² + 9 + 6a

It is : ( a + 3 )²