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This Post Has 3 Comments

  1. (

    2

    x

    2

    18

    )

    =

    (

    x

    2

    +

    18

    )

    (

    x

    2

    18

    )

    =

    =

    (

    x

    2

    +

    9

    2

    )

    (

    x

    2

    9

    2

    )

    =

    =

    (

    x

    2

    +

    3

    2

    )

    (

    x

    2

    3

    2

    )

    =

    =

    2

    (

    x

    +

    3

    )

    2

    (

    x

    3

    )

    =

    2

    (

    x

    +

    3

    )

    (

    x

    3

    )

    Step-by-step explanation:

  2. I think Its either x=7 or x=−7

    Hope this helps! 🙂

    Step-by-step explanation:

    Let's solve your equation step-by-step.

    2x2−50=x2−1

    Step 1: Subtract x^2 from both sides.

    2x2−50−x2=x2−1−x2

    x2−50=−1

    Step 2: Add 50 to both sides.

    x2−50+50=−1+50

    x2=49

    Step 3: Take square root.

    x=±√49

    x=7 or x=−7

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