Factorise the following, using the identity a^2- 2ab + b^2= (a - … - Vidyadip

Question

Factorise the following, using the identity
$a^2- 2ab + b^2= (a - b)^2$.
$x^2- 10x + 25$

✓

Answer

$x^2- 10x + 25$
$= x^2- 2 × x × 5 + 5^2$
$= (x - 5)^2$
$= (x - 5)(x - 5)$

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