math

Two numbers added together equal negative four. The same two numbers have a product of negative twelve.
What are the two numbers? -2 and -6 is this right

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asked by JOE
  1. close ... the two is positive

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    posted by R_scott
  2. So the answer would be 2 and -6

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    posted by Joe
  3. yes

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    posted by R_scott
  4. Eq1: x+y = -4.
    Eq2: x*y = -12.
    x = -12/y.

    In Eq1, replace X with -12/y and solve for Y:
    -12/y + y = -4.
    -12 + y^2 = -4y,
    y^2 + 4y - 12 = 0, -12 = -2*6. sum = -2+6 = 4 = B.
    y - 2 = o, Y = 2. (x, y) = (-6, 2).
    y + 6 = 0, Y = -6. (2, -6).
    So the numbers are 2, and -6.

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    posted by henry2,

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