Respuesta :

ew69501

Answer:

a=±5

Step-by-step explanation:

25=5^2

Given that,  x^2−10x+25=x^2−10x+5^2

Identity: a^2−2(ab)+b^2=(a-b)^2

Here, a=x and b=5

∴=(x−5)^2

Hope this helps