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Math, 06.08.2022 02:15, cleik

Solve the equation. Find all real solutions (Be sure to check for extraneous solutions.)

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  • Réponse publiée par: janalynmae
    EQUATION

    Solve the equation. Find all real solutions (Be sure to check for extraneous solutions.) \displaystyle x=1+ \sqrt{7-x}

    ANSWER:

    \quad\quad\quad\quad\quad\displaystyle x=1+ \sqrt{7-x}

    \quad\quad\quad\displaystyle x-1= \sqrt{7-x}

    \displaystyle x²-2x+1=7-x

    \quad\displaystyle x²-x-6=0

    \displaystyle (x-3)(x+2)=0

    \quad\displaystyle\boxed {x=3}\quad\displaystyle \cancel{x=-2}

    \\

    ❤

  • Réponse publiée par: taekookislifeu
    To solve this equation, you can do the method of substition. after you do that, you will find that the answer is 63.
  • Réponse publiée par: stacy05
    The answer is 11 11/12.

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