Respuesta :

09pqr4sT

Answer:

[tex]3x^4+4x^3+3x^2+14x[/tex]

Step-by-step explanation:

[tex](3x^2-2x+7)(x^2+2x)[/tex]

[tex]3x^4+6x^3-2x^3-4x^2+7x^2+14x[/tex]

[tex]=3x^4+4x^3+3x^2+14x[/tex]

ridhn26

Answer:

3x^4+4x^3-3x^2+14x

Step-by-step explanation:

(3x^2-2x+7)(x^2+2x)

= 3x^2(x^2+2x)-2x(x^2+2x)+7(x^2+2x)

= 3x^4+4x^3-3x^2+14x