Factorise: x^2-17 x+16 - Vidyadip

Question

Factorise:
$x^2-17 x+16$

✓

Answer

$x^2-17 x+16$
$ =x^2-x-16 x+16 $
$ \{16=(-1) \times(-16), 17=-1-16\} $
$ =x(x-1)-16(x-1) $
$ =(x-1)(x-16) $

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