A rectangle has sides 3x and 8x -5. What is its area?

2 Answers
Nov 19, 2017

24x^2-15x

Explanation:

area of rectangle=lengthxxwidth

Area=3x(8x-5)

multiply out

=24x^2-15x

Nov 19, 2017

"area "=24x^2-15x

Explanation:

• " the area of a rectangle "=" length "xx" breadth"

"let length "=8x-5" and breadth "=3x

rArr"area "=3x(8x-5)larrcolor(blue)"distribute"

color(white)(rArr"area ")=24x^2-15x" square units"