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how do i simplify 3 square root of 5 end root minus 2 square root of 7 end root plus square root of 45 end root minus square root of 28

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  1. ever hear of actual math symbols?

    3√5 - 2√7 + √245 - √28
    3√5 - 2√7 + √(49*5) - √(4*7)
    3√5 - 2√7 + 7√5 - 2√7
    10√5 - 4√7

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