Question

Which of the following represents the area of a rectangle whose length is x + 1 and whose width is
x + 11?

x^2+ 12x + 11
x^2+ 11
x^2+ 11x + 12
x^2+ 10x + 11
Which of the following represents the area of a rectangle whose length is x + 1 and whose width is
x + 11?

x^2+ 12x + 11
x^2+ 11
x^2+ 11x + 12
x^2+ 10x + 11
@Mathematics

Answer 1

x^2+ 12x + 11

Answer 2

Area of rectangle = length * breadth/width
= (x + 1) * (x + 11)
= x(x + 11) +1(x + 11)
= x^2 + 11x + x + 11
= x^2 + 12x + 11