A rectangle has sides measuring (4x +5) units and (3x+10) units. What is its area?

2 Answers
Apr 23, 2018

The area is just length times width: (4x+5)(3x+10) = 12x^2+55x+50

Apr 23, 2018

12x^2+55x+50

Explanation:

the area of a rectangle is: A=length . width
(4x+5)*(3x+10)
=12x^2+40x+15x+50
=12x^2+55x+50