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3 April, 17:46

How to do x squared - 2x plus y squared = 80

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  1. 3 April, 18:19
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    You need to think of 2 square numbers that add up to make 80

    answer:

    64+16

    this means x = 8 and y = 4

    because of the square roots

    or

    y=4

    &

    x=8
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