InsanelyChaotic
Solve. 9x2  21x + 15 = 0



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hartnn
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your answer ?

mayankdevnani
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9x^2 – 21x + 15 = 0
You can factor a 3 out of every term!!!!
what you get???? @InsanelyChaotic

InsanelyChaotic
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one sec:)

mayankdevnani
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plz

InsanelyChaotic
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dw:1355838350455:dw

mayankdevnani
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what is this??? is this your answer?

InsanelyChaotic
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yeah

hartnn
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b^24ac = 494*3*5=...?

mayankdevnani
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VERY SIMPLE!!!! can you factor a 3 out of every term!!!! @InsanelyChaotic

hartnn
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you always make mistke in b^24ac term

mayankdevnani
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dw:1355838533398:dw

InsanelyChaotic
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Is it a negative...?

mayankdevnani
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@InsanelyChaotic

InsanelyChaotic
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excuse me??????

hartnn
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yes, b^24ac comes out to be negative

hartnn
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what your b^24ac comes out to be ??
show your work, plz.

mayankdevnani
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@InsanelyChaotic can you solve it??? or done it???? be fast!!!! its so simple one

InsanelyChaotic
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haha if only it was that easy mayan

mayankdevnani
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plz answer it !!!!

InsanelyChaotic
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dw:1355838742600:dw

hartnn
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with practice, it will become easy

hartnn
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haha, can't see what u wrote under sqrt.

InsanelyChaotic
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dw:1355838819272:dw

mayankdevnani
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dw:1355838819812:dw

hartnn
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no, b^24ac = 7^24*3*5=.... ?

mayankdevnani
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@InsanelyChaotic hey!!!! cool down!!!! can you solve it!!!! answer it!!!! be fast m waiting

InsanelyChaotic
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Ok, let me try again, but i need to know if the outcome will be negative or not?

InsanelyChaotic
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haha dude i'm calm

hartnn
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yes, b^2 4ac comes out to be negative

InsanelyChaotic
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thanks

mayankdevnani
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@hartnn i am wrong??

hartnn
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u mised a 'x' , 21x/3

InsanelyChaotic
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dw:1355839012827:dw

mayankdevnani
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dw:1355839027039:dw

hartnn
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thats correct @InsanelyChaotic

hartnn
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oh, wait, it will be +7

InsanelyChaotic
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so it is negative?

radar
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dw:1355839200084:dw

hartnn
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yup

radar
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It is complex

hartnn
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yes, x is complex......because b^24ac was negative

InsanelyChaotic
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thank you guys

radar
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dw:1355839327257:dw

hartnn
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welcome ^_^