2x²-x-1 reslove the following into factor​

Question

2x²-x-1 reslove the following into factor​

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Delilah 1 month 2021-08-22T23:01:56+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-08-22T23:03:27+00:00

    Answer:

    the favtors are (x – 1)(2x + 1)

    Step-by-step explanation:

    doing middle term split

    2x^2 – x – 1

    2x^2 – 2x + x – 1

    2x(x – 1) + 1(x – 1)

    (x – 1)(2x + 1)

    0
    2021-08-22T23:03:47+00:00

    Step-by-step explanation:

    Given expression is 2x²-x-1

    =>2x²-x-1

    =>2x²-2x+x-1

    =>2x(x-1)+1(x-1)

    =>(x-1)(2x+1)

    The factorization of 2x²-x-1 =(x-1)(2x+1)

    Factors are =(x-1)(2x+1)=0

    =>x-1=0 or 2x+1=0

    X=1 and X=1/2

    Factors are 1 and 1/2

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