How do you factor the expression $x^{2} + 10 x + 9$ $x^2 + 10x + 9$ ?

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Answer 1 · 2016-07-29T11:13:49

$= (x + 9) (x + 1)$ $=(x+9)(x+1)$

$x^{2} + 10 x + 9$ $x^2+10x+9$
$= x^{2} + 9 x + x + 9$ $=x^2+9x+x+9$
$= x (x + 9) + 1 (x + 9)$ $=x(x+9)+1(x+9)$
$= (x + 9) (x + 1)$ $=(x+9)(x+1)$

How do you factor the expression x2+10x+9x^2 + 10x + 9?