Yes, all of the rhombuses have 2 pairs of parallel side.
Answer:
The equivalent expression is:

Step-by-step explanation:
We have been given the equation:

Equivalent expression can be computed by solving the expression ai its maximum.
We can factorize the given equation:
By using 
Here, 
Hence, we get the equation below:

Therefore, the equivalent expression is:

37 is prime, so it's only factors are 1 and 37
<span>51 has factors of 1,51 and 3,17 </span>
<span>45 has factors of 1,45 ; 3,15 and 5,9 </span>