factorise the following
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=> x³ - 3x² - 9x - 5
=> x³ + x² - 4x² - 4x - 5x - 5
=> x ² ( x + 1 ) - 4x ( x + 1 ) - 5 ( x + 1 )
=> ( x + 1 ) {( x² - 4x - 5 )}
=> ( x + 1 ) {( x² - 5x + x - 5 )}
=> ( x + 1 ) { ( x ( x - 5 ) + 1 ( x - 5) }
=> ( x + 1 ) (x + 1 ) ( x - 5 )
=> ( x + 1 )² ( x - 5 ) Answer ✔
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@Rajukumar111
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