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algebra

posted by on .

simplify

(5x^2-3x-8)??

  • algebra - ,

    You can't simplify because there are no like terms.

    Do you need to factor this?? or are you just being asked to combine like terms.

    If you have to factor it. that is possible. Let me know.

  • algebra - ,

    actually it says by using the laws of exponents?

  • algebra - ,

    By using the law of exponents, we cannot combine anything because the terms are all different.

  • algebra - ,

    I'm sorry that was the wrong problem
    is actually
    (5^4 * 5^7)/5^8

  • algebra - ,

    so keep the base of 5 and add the exponents for the multiplication.

    that gives you 5^11/5^8

    For division, keep the base of 5 and subtract the exponents.

    What is your final answer?

  • algebra - ,

    5^3?

  • algebra - ,

    Yes 5^3 or 125. I am not sure how your teacher will want the answer.

  • algebra - ,

    Thank you

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