Question

find the factor of 2x^2-x-1?​

Answer 1

Answer:

Factors ,

2x^2'- x - 1

Product of 1 and 2 is 2.

2x^2 - 2x + x - 1

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

( x - 2) ( 2x + 1 )

Answer :- ( x - 2) ( 2x + 1 )

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