Question

A rectangle has a width represented by the expression-2x+20.The length of the rectangle is 6 more than twice the width.which expression represents the area of the rectangle?

Answer 1

8(x^2)+172x+920

Explanation:

• width=2x+20
• length=2(width)+6

2(2x+20)+6

=4x+46

• area=lenght ×width

(4x+46)×(2x+20)

=4x(2x+20)+46(2x+20)

=8(x^2)+80x+92x+920

=8(x^2)+172x+920