Respuesta :

We rewrite the denominator:
 9√25 / (√ (2 * 25))
 9√25 / (√2 * √25)
 We cancel similar terms:
 9 / √2
 We multiply the numerator and denominator by √2
 9√2 / (√2 * √2)
 Rewriting:
 (9/2) * √2
 Answer:
 the radical expression is:
 (9/2) * √2

Answer:

9/2√2 is correct.

Step-by-step explanation: