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12 March, 19:10

One positive number is one more than another positrive number. The sum of the sqaures of the two numbers is 85. Find both positive numbers.

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  1. 12 March, 19:37
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    One number is x

    second number is x+1

    x² + (x+1) ²=85

    x²+x²+2x+1=85

    2x²+2x-84=0

    x²+x-42=0

    (x+7) (x-6) = 0

    x=-7, x=6

    we need positive number, so we take 6

    x=6

    x+1=7
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