How do you factor the trinomial $x^2 - 8x + 16$ ?

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Answer 1 · 2018-05-20T18:52:28

See explanation below

Three ways to do it: Ruffini's algorithm, quadratic formula and complete square

Lets use the last because is an inmediate notable identity

$x^2-8x+16=(x-4)^2=(x-4)(x-4)$

How do you factor the trinomial x^2 - 8x + 16x^2 - 8x + 16?