factorise 2x squared minus 5 x minus 12
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2x² - 5x - 12
=> 2x² - 8x + 3x - 12
=> 2x( x - 4 ) + 3( x - 4 )
=> ( x - 4 ) ( 2x + 3 )
=> 2x² - 8x + 3x - 12
=> 2x( x - 4 ) + 3( x - 4 )
=> ( x - 4 ) ( 2x + 3 )
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Hope it's not wrong and might have helped u.
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