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Factorise : 72x2

+2 votes

asked Mar 22, 2022 in General by kratos

Factorise : 72x2 - 10x - 42

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1 Answer

+2 votes

answered Mar 22, 2022 by kratos

Best answer

72x2 - 10x - 42
= 72x2 - 14x + 4x - 42
= 72x( x - 2 ) + 4( x - 2 )
= ( x - 2 )( 72x + 4 )

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