Question

factorisex by splitting the middle term 2x²-x-1​

Answer 1

Answer:

Step-by-step explanation:

2x^2-x-1

2x^2-2x+x-1

2x(x-1)+1(x-1)

(2x-1)(x-1)

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Answer 2

$2x^{2} - x - 1$

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

$2x^{2} - 2x + x - 1$

$2x(x - 1) + 1(x - 1)$

$(2x + 1)(x - 1)$