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Question
Factorise : 7√2x2 - 10x - 4√2
Sum
Solution
7√2x2 - 10x - 4√2
= 7√2x2 - 14x + 4x - 4√2
= 7√2x( x - √2 ) + 4( x - √2 )
= ( x - √2 )( 7√2x + 4 )
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