(2x+3)(2x+3) is the answer. Multiply contents of brackets on each other so, 4x+6x+6x+9=4x^2+12x+9
Answer:
D is incorrect so ur answer is D
We have to find the area of the floor in order to know how many square meters of flooring they need.
The area of the floor is:
42 m* (39 m)= 1,638 m^(2)
They need 1,638 m^(2) of flooring.
Hope this helps~