Answer:
i looked it up on google because i coul =d not figure it out and it says it is unkwon.
Step-by-step explanation:
sorry i do not know
x=5
x^2+25-10x = x^2-25
-x^2 -x^2
25-10x = -25
-25 -25
-10x = -50
lets check
(5-5)^2 = 5^2-25
0^2 = 25-25
0 = 0
simplified to