Question

FACTORISE x2-17x+16
note 2 is a sq​

Answer 1

$\rightarrow {x}^{2} - 17x + 16 \\ \\ \rightarrow {x}^{2} - 16 x - x + 16 \\ \\ \rightarrow x(x - 16) - 1(x - 16) \\ \\ \rightarrow(x - 1)(x - 16) \\ \\ \rightarrow \: x = 1 \: and \: x = 16$