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Question

Factorise 2x2-x-6

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Solution

2x²-x-6
= 2x² -4x+3x -6
= 2x(x-2)+3(x-2)
= (x-2)(2x+3)

=> x=2 or x=-3/2

So, 2x²-x-6 = (x-2)(2x+3)

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