Question

The area of a square is 4x2 + 20x + 25.

Which
expression can also be used to model the area of a square?
-
a. (2x – 5)(5 – 2x)
b. (2x + 5)(2x - 5)
c. (2x – 5)2
d. (2x + 5)2

Answer 1

d. (2x+5)^2

Explanation:

(2x+5)(2x+5)

= 4x^2 + 20x + 25