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3 September, 16:02

Find the solutions to this system. y = x^2 - 2x - 2 y = 4x + 5

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  1. 3 September, 16:09
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    X²-2x-2=4x+5

    x²-6x-7=0

    (x-7) (x+1) = 0

    x=7, x=-1

    if x=7, y=4*7+5=28+5=33 (7,33)

    if x=-1, y=-4+5=1 (-1,1)
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