Question

Factor.

x2−6x+9
Question 2 options:

(x−3)2

(x+3)2

(x−9)2

Answer 1

(x-3)2

Explanation:

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Answer 2

(x-3)²

Explanation:

x²-6x+9

x² can be written as (x)²

9 can be written as 3²

(x)²-6x +(3)

we can break 6x as 2(3)(x)

by using square formula

(a+b)²= a²-2ab+b²

Putting all the values back in expression we get

(x)²-2(3)(x)+(3)²

by closing formula we get

(x-3)²