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Find the factors of the polynomials . 2x^2 + x – 1

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Find the factors of the polynomials . 

2x2 + x – 1

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Best answer

2x2 + x – 1 

= 2x2 + 2x – x – 1 

= 2x(x + 1)- 1(x + 1) 

= (x + 1)(2x – 1)

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