Question

factorise 2x square + x square - 2 x minus 1 using factor theorem​

Answer 1

Answer:

The roots are -1/3 and 1

Answer 2

Answer:

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Step-by-step explanation:

2X^2+X^2-2X-1=0

X^2-2X-1=0

-(-2)±√4-4(1)(-1)/2(1)

2±√4+4/2

2+2√2/2

2(1+√2)/2

1+√2