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? asked in Education & ReferenceHomework Help · 9 years ago

Express in terms of a single radical?

5√28 + √63

Show work, and if you didn't notice, √ means square root. I really struggle with these square root problems, lol.

2 Answers

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  • Inco
    Lv 6
    9 years ago
    Favorite Answer

    Check it out:

    5*sqrt28 = 10*sqrt7

    sqrt63 = 3*sqrt7

    add 10*sqrt7 + 3*sqrt7 and your answer is 13*sqrt7

    Hope this helps.

  • Genesis
    Lv 7
    9 years ago

    Sqrt28 = 10*sqrt7 sqrt 63 = 3 * sqrt 7

    Add 10 * sqrt + 3 * sqrt & your answer is 13 * sqrt 7

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