Question

What is the correct expansion for (x+8)^2

Answer 1

Answer:

Answer: x² + 16x + 64

Step-by-step explanation:

${(x + 8)}^{2}$

double the brackets, to remove the power:

$= (x + 8)(x + 8)$

open the brackets:

Generally:

${ \boxed{(a + b)(a + b) = {a}^{2} + 2ab + {b}^{2} }}$

from our equation given;

a » x

b » 8

substitute in the equation in the box:

$(x + 8)(x + 8) = {x}^{2} + \{ 2(x)(8) \} + {(8 )}^{2} \\ \\ = {x}^{2} + 16x + 64$

Answer 2

Answer:

x² + 16x + 64

Step-by-step explanation:

that is the answer I think