Answer:
see below
Step-by-step explanation:
(4x^2 + 20x + 25)
Rewriting as
( 2x) ^2 +2*2x * 5 + 5^2
We recognize this is a perfect square trinomial
a^2 + 2 *a *b + b^2 = ( a+b)^2
where a = 2x and b = 5
(4x2 + 20x + 25) = ( 2x +5)^2
Each side is (2x+5) units longs
(4x^2 − 9y^2)
Rewriting
(2x)^2 - (3y)^2
We recognize this is the difference of squares
(a^2 - b^2 ) = (a-b)(a+b)
(2x-3y)(2x+3y)
The dimensions are (2x-3y) by (2x+3y)
