Question

х3+3х2+3х+9
$x3 + 3x2 + 3x + 9$
​

Answer 1

Ответ:

х3+3х2+3х+9=x*3+6x+3x+9=x*3+6x+3x+9=x*3+9x+9=3(x+3x+3)=3(4x+3)

Answer 2

Объяснение:

${x}^{3} + 3 {x}^{2} + 3x + 9 = {x}^{2} (x + 3) + 3(x + 3) = \\ =(x + 3)( {x}^{2} + 3)$