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Mathematics 21 Online
OpenStudy (anonymous):

Solve. 3x^2 – 24x = –12

OpenStudy (ddcamp):

First, put it into standard form (ax² + bx + c = 0).

OpenStudy (anonymous):

3x^2-24x-12=0

OpenStudy (anonymous):

by completing the square

OpenStudy (ddcamp):

? You don't "complete the square" for this. Just solve by adding 12 to both sides. Sorry I mentioned completing the square earlier. You don't need that until you're working with transformations.

OpenStudy (anonymous):

thats what the asignment is, completing the square

OpenStudy (luigi0210):

In what form does it have to be in?

OpenStudy (anonymous):

4 +/- 2 sqrt2

OpenStudy (luigi0210):

You forgot your 3 there camp

OpenStudy (anonymous):

4+/- 2 sqrt 3 4+/1 2 sqrt 5 4 +/- 2 sqrt those are the answers

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