X² + 8x + 16 =

I need the steps and the answer
and the box ​

The answer is (x+4)

Step-by-step explanation:

Just write the expression as a product with the factor x and 4

x²+2×x×4+4+16

then write the number in the exponential form with an exponent of 2

x²+2×x×4+4²

then use a² +2ab +b² = (a+b)² yo factor the expression which you get (x+4)

168

step-by-step explanation:

i am pretty sure that the answer is 168