Answer:
x^2 - 10x + 25
Explanation:
I'm hoping that the 2 means squared.
x^2 -10x+25
(x-5)^2
(x-5)(x-5)
FOIL
first = x*x = x^2
outer:-5x
inner: -5x
last: -5*-5 = 25
Add them together
x^2 -5x-5x+25
Combine like terms
Standard form is ax^2 +bx +c so this is standard form
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