Posted by **Chelsea:)** on Friday, April 20, 2012 at 10:39pm.

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

- help <~~?? -
**Writeacher**, Saturday, April 21, 2012 at 8:05am
If you really want an expert to help you, be sure to follow directions and type your __subject__ in the **School Subject** box. Any other words, __including obscure abbreviations__, are likely to delay responses from a teacher who knows that subject well.

- help -
**Sarah Morris **, Tuesday, December 8, 2015 at 11:39am
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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