Question

3. ( x +2 )2 =

a. x2 + 4x + 16 b. x2 + x + 2
c. 2 x2 + 4x + 4 d. x2 + 4x + 4

Answer 1

Explicación paso a paso:

$3.( {x + 2)}^{2} = {x}^{2} + 4x + 4$

$a) {x}^{2} + 4x + 16 = x(x + 4) + 16$

$b) {x}^{2} + x + 2 = x(x + 1) + 2$

$c)2 {x}^{2} + 4x + 4 = 2x(x + 2) + 4$

$d) {x}^{2} + 4x + 4 = {(x + 2)}^{2}$