<span>36x^2+60x+25 = (6x + 5)^2
A = (</span>6x + 5)(6x + 5)
answer
side length = 6x + 5
21 and 22 because 21+22=43
11 1/4 or 11.25 is the answer
So first you want to start in the parentheses
x+5
so what you do is 2 times x which is 2x
2 times 5 which is ten
7x+10x <3x-14
-10× - 10x
-3x