Question

Answer the screenshot

Answer 1

5m by 4m

Explanation:

The length x width must be 20, so:

(3x+2)(3+x) = 20.

This you can solve:

3x² + 11x - 14 = 0

[use abc formula]

x = 1 ∨ x = -14/3, x must be positive, so x=1 is the right answer

Then width is 2+3 = 5

Length is 3+1 = 4

Check 5x4 is indeed 20.