Respuesta :

skmscm021312

Answer:

The area of a rectangle is height * width

Here the height is 3

the width is 2x^2 + 3x - 5

so the area is  3 * (2x^2 + 3x - 5)

using the distributive property  (a(b+c) = ab + ac)

the area is 3*2x^2 + 3*3x - 3*5

6x^2 + 9x - 15

Step-by-step explanation:

940172

Answer:

[tex]x^3+7x^2+14x+8[/tex]

Step-by-step explanation: