Question

1. Length of a rectangle is (3x - 7) cm and its breadth is (4x + 8)cm. Find its area ​

Answer 1

Answer:

Area=(3x-7)cm*(4x+8)cm

=(12x^2-4x-56)cm^2

Answer 2

Step-by-step explanation:

☆LENGTH=(3x-7)cm.

☆BREADTH=(4x+8)cm.

Area of the rectangle

=(l×b)square units.

=[(3x-7)(4x+8)]

=(12x^2+24x-28x-56)

=12x^2-4x-56

Then,Solve it by any method to know the answer.