Factorise :x^2- 3ax - 88a^2 - Vidyadip

Question

Factorise $:x^2- 3ax - 88a^2$

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Answer

$x^2- 3ax - 88a^2$
$= x^2 - 11ax + 8ax - 88a^2$
$= x( x - 11a ) + 8a( x - 11a )$
$= ( x + 8a )( x - 11a )$

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