Question

Find the area of a rectangle with a length of x + 2 and a width of 3x.

Answer 1

Formular for area is L × B

$=(x+2)(3x) \\ \\ =3x^2+6x$

Answer 2

A = l x w
A = (x+2) ( 3x)
A = 3x^2 + 6x

answer
Area of a rectangle = 3x^2 + 6x