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Trigonometry 8 Online
OpenStudy (anonymous):

3x²+6x-27

TheSmartOne (thesmartone):

3(x^2+2x-9)

TheSmartOne (thesmartone):

Can you find any factor for x^2+2x-9

TheSmartOne (thesmartone):

@helpmeplease1998

OpenStudy (anonymous):

uuummm no

TheSmartOne (thesmartone):

Exactly so it is simplified. Do you need to find the roots of the equation or do you just need to simplify/factor it

OpenStudy (anonymous):

find the roots i guess

TheSmartOne (thesmartone):

you will need to use this formula\[x=\frac{ -b \pm \sqrt{b^2-4ac} }{ 2a }\]

TheSmartOne (thesmartone):

a=3 b=6 c=-27

TheSmartOne (thesmartone):

If you don't want to calculate it all there are online quadratic formula calculator.

TheSmartOne (thesmartone):

The link shows you all the steps to calculating it.

OpenStudy (anonymous):

yeah im seeing it now

OpenStudy (anonymous):

can you factor it

TheSmartOne (thesmartone):

No you can not factor it anymore. You will get the values for which x will make the equation equal to 0.

OpenStudy (anonymous):

ooh ok

OpenStudy (anonymous):

there now im a fan and finally i found a web to help me with my trig

TheSmartOne (thesmartone):

Cool..

OpenStudy (anonymous):

thank you and goodnight

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