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Mathematics 24 Online
OpenStudy (anonymous):

Solve the expression x^2 + 3x -6

OpenStudy (anonymous):

Ok

OpenStudy (anonymous):

To solve this you need to find two numbers that multiply to -6

OpenStudy (anonymous):

and they add to 3

OpenStudy (anonymous):

So

OpenStudy (anonymous):

@dumbcow you were here first

OpenStudy (anonymous):

So if you want to solve you can

OpenStudy (anonymous):

Do you see an option for Prime

OpenStudy (dumbcow):

no it can't be factored...use quadratic formula \[x = \frac{-b \pm \sqrt{b^{2}-4ac}}{2a}\]

OpenStudy (anonymous):

Ah, that is why. Thanks!

OpenStudy (anonymous):

I got this

OpenStudy (dumbcow):

ahh using completing the square...same thing but more elegant :) you almost have it but you forgot to add the 2.25 to other side

OpenStudy (anonymous):

oohh thank you .. I almost forgot ahah

OpenStudy (dumbcow):

yw

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