Question

2
(2+x) =



Este totul la a doua

Answer 1

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

${2}^{2} \times {(2 + x)}^{2}$

4 × [(2^2)+x^2]=

4 × (4+x^2)=

(4 × 4)+(4 × x^2)=

16+4x^2=

16+16x^2=

16(1+x^2)=