Question

(x+4)² me ajudem pfv​

Answer 1

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

$(x + 4 {)}^{2} = {x}^{2} + 8x + 16$

Answer 2

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

(x + 4 {)}^{2}  = {x}^{2}  + 8x + 16