Question

factorisation by using factor theorem
2x³+x²-2x-1

Answer 1

${x}^{2} (2x + 1) - 1(2x + 1) \\ ( {x }^{2} - 1)(2x + 1) \\ (( {x) -}^{2} ( {1)}^{2} )(2x + 1) \\ (x + 1)(x - 1)(2x + 1)$

Answer 2

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