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4 January, 11:15

3x + y = 2

3x²+y²+xy = 6

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Answers (1)
  1. 4 January, 11:44
    0
    Step-by-step explanation:

    Solve simultaneously by substitution method;

    3x²+y²+xy=6---eqn1

    x+y=2 square throughout the equation

    X²+y²=4

    Then 3 (4) + xy=6 after replacing

    X²+y²=4

    Xy=6/12-->1/2
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