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March 25, 2017

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How do you multiply and simplify radical 2(radical 8+ radical 5)?

  • Algebra 8th - ,

    do you mean "square root" for the "radical"? if so,
    2[sqrt(8) + sqrt(5)]
    note that we cannot combine the radical terms since their radicands (term inside the radical sign) are not equal. but we can rewrite this as
    2[2*sqrt(2) + sqrt(5)]
    4*sqrt(2) + 2*sqrt(5)

    hope this helps~ :)

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