Factorise: 1-6 x+9 x^2 - Vidyadip

Question

Factorise:
$1-6 x+9 x^2$

✓

Answer

$1-6 x+9 x^2$
$=9 x^2-6 x+1$
$=9 x^2-3 x-3 x+1$
$=3 x(3 x-1)-1(3 x-1)$
$=(3 x-1)(3 x-1)$
$=(3 x-1)^2$

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