Question

Write an expression to find the area and perimeter of the rectangle:

L=

`{2x}^(2) - x + 3`
W=

`{4x}^(2) + 2x - 1`
​

Answer 1

Explanation:

the area is :A= L×W

A= (2x²-x+3)(4x²+2x-1).....calculate

the perimeter is : P= 2(L+W)

P= 2(2x²-x+3)+(4x²+2x-1))....calculate