Question

(x+4)^2 помогите решить

Answer 1

$(x+4)^2=x^2+2\cdot x\cdot4+4^2=x^2+8x+16$

Answer 2

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