Factorise the following. y^2+ 18x + 65 - Vidyadip

Question

Factorise the following. $y^2+ 18x + 65$

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Answer

$y^2+18 x+65$
$=y^2+13 y+15 y+5 \times 13$
$=y(y+13)+5(y+13)$
$=(y+13)(y+5)$

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