Question

the two adjacent sides of a rectangle are 7a-3b and 5b- find its perimeter ​

Answer 1

Answer:

140ab - 60b²

Step-by-step explanation:

perimeter of a rectangle = 2(l+b)

2(7a-3b*5b)

2(7a)-2(3b)*2(5b)

(14a-6b)10b

140ab-60b²