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Mathematics 20 Online
OpenStudy (anonymous):

question attached

OpenStudy (anonymous):

OpenStudy (anonymous):

@Loser66

OpenStudy (anonymous):

You need to solve by the quadratic formula. First step get move 10 to the left side. Now what does the equation look like?

OpenStudy (loser66):

good, I like nelsonjedi method, follow him @plohrr

OpenStudy (anonymous):

hm 3x^2 - x + 10

OpenStudy (anonymous):

\[3x ^{2}-x+10=0\]

OpenStudy (loser66):

nope for both you

OpenStudy (anonymous):

Now solve by the quadratic formula.

OpenStudy (anonymous):

?

OpenStudy (anonymous):

Sorry -10

OpenStudy (loser66):

ye

OpenStudy (anonymous):

3x^2-x-10 =0

OpenStudy (anonymous):

Do you know the quadratic formula?

OpenStudy (anonymous):

not really ;o

OpenStudy (anonymous):

OK the standard equation above is ax^2 + bx +c =0. The quadratic formula is \[\frac{ -b \pm \sqrt{b ^{2}-4ac} }{ 2a}\]

OpenStudy (anonymous):

hm ok

OpenStudy (anonymous):

so sub it in correct

OpenStudy (anonymous):

Yes So our equation would look like |dw:1389928699752:dw|

OpenStudy (anonymous):

|dw:1389928936565:dw|

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