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Change into standard form


  • Math -

    -4y = x^2 + 6x +5
    = x^2 + 6x + 9 - 9 + 5
    = (x+3)^2 - 4
    divide both sides by -4

    y = (-1/4) (x+3)^2 + 1

    try the second the same way.
    (looks like some kind of type, what does .. 2y+=-25 mean ?)

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