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

Question

Factorise the following, using the identity $a^2+ 2ab + b^2= (a + b)^2$
$x^2+ 12x + 36$

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Answer

$ x^2+12 x+36 $
$ =x^2+2 \times 6 \times x+6^2 $
$ =(x+6)^2 $
$ =(x+6)(x+6) $

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