Factor completely x2 − 8x + 16.


(x + 4)(x + 4)
(x − 4)(x − 4)
(x + 4)(x − 4)
(x − 2)(x − 8)

i don't understand this

4 answers

(x + 4)(x − 4)

Find the GCF and then factor it in the solution
so it would be the third one?
No. (x+4)(x-4) = x^2-16

(x-4)(x-4) = x^2-8x+16
so the second one?
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