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Tristan11

  • 3 years ago

when solving x^2+4x=-9 what interger or fraction needs to be added to both sides to complete the square

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  1. Mertsj
    • 3 years ago
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    What is 1/2 the coefficient of the x term?

  2. Grazes
    • 3 years ago
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    Using the base y=ax^2+bx+c, In a perfect square trinomial, (b/2)^2 is c

  3. Tristan11
    • 3 years ago
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    I have done (-6)^2-6(1)(-1)/2(1) but after that I am stuck

  4. Grazes
    • 3 years ago
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    x^2+4x=-9 x^2+4x + 4 = -5 (x+2)^2 = -5 I'm not sure what you want to find, so I stop here.

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