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Introduction to quadratic equations?
If you solve the equation by completing the square, fill in the blanks.
9x^2+9x+4=0
x^2+x+blank=-4/9+blank <---- (blank one, both the same)

(x+1/2)^2=blank
x+1/2= ± √blank <------ blank 2(both the same)

x=-1/2 ±blank i <---- blank 3

enter blank 1, blank 2, blank 3 as common fractions separated by commas

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asked by Chelsea:)
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    posted by Writeacher
  2. You know there is a website you can go to and you can type in the math problem and it gives you your answer, or you can check your work its called Mathway.

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    posted by Sarah Morris
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