anonymous
  • anonymous
Solve. 9x2 - 21x + 15 = 0
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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hartnn
  • hartnn
your answer ?
mayankdevnani
  • mayankdevnani
9x^2 – 21x + 15 = 0 You can factor a 3 out of every term!!!! what you get???? @InsanelyChaotic
anonymous
  • anonymous
one sec:)

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More answers

mayankdevnani
  • mayankdevnani
plz
anonymous
  • anonymous
|dw:1355838350455:dw|
mayankdevnani
  • mayankdevnani
what is this??? is this your answer?
anonymous
  • anonymous
yeah
hartnn
  • hartnn
b^2-4ac = 49-4*3*5=...?
mayankdevnani
  • mayankdevnani
VERY SIMPLE!!!!- can you factor a 3 out of every term!!!! @InsanelyChaotic
hartnn
  • hartnn
you always make mistke in b^2-4ac term
mayankdevnani
  • mayankdevnani
|dw:1355838533398:dw|
anonymous
  • anonymous
Is it a negative...?
mayankdevnani
  • mayankdevnani
@InsanelyChaotic
anonymous
  • anonymous
excuse me??????
hartnn
  • hartnn
yes, b^2-4ac comes out to be negative
hartnn
  • hartnn
what your b^2-4ac comes out to be ?? show your work, plz.
mayankdevnani
  • mayankdevnani
@InsanelyChaotic can you solve it??? or done it???? be fast!!!! its so simple one
anonymous
  • anonymous
haha if only it was that easy mayan
mayankdevnani
  • mayankdevnani
plz answer it !!!!
anonymous
  • anonymous
|dw:1355838742600:dw|
hartnn
  • hartnn
with practice, it will become easy
hartnn
  • hartnn
haha, can't see what u wrote under sqrt.
anonymous
  • anonymous
|dw:1355838819272:dw|
mayankdevnani
  • mayankdevnani
|dw:1355838819812:dw|
hartnn
  • hartnn
no, b^2-4ac = 7^2-4*3*5=.... ?
mayankdevnani
  • mayankdevnani
@InsanelyChaotic hey!!!! cool down!!!! can you solve it!!!! answer it!!!! be fast m waiting
anonymous
  • anonymous
Ok, let me try again, but i need to know if the outcome will be negative or not?
anonymous
  • anonymous
haha dude i'm calm
hartnn
  • hartnn
yes, b^2 -4ac comes out to be negative
anonymous
  • anonymous
thanks
mayankdevnani
  • mayankdevnani
@hartnn i am wrong??
hartnn
  • hartnn
u mised a 'x' , 21x/3
anonymous
  • anonymous
|dw:1355839012827:dw|
mayankdevnani
  • mayankdevnani
|dw:1355839027039:dw|
hartnn
  • hartnn
thats correct @InsanelyChaotic
hartnn
  • hartnn
oh, wait, it will be +7
anonymous
  • anonymous
so it is negative?
radar
  • radar
|dw:1355839200084:dw|
hartnn
  • hartnn
yup
radar
  • radar
It is complex
hartnn
  • hartnn
yes, x is complex......because b^2-4ac was negative
anonymous
  • anonymous
thank you guys
radar
  • radar
|dw:1355839327257:dw|
hartnn
  • hartnn
welcome ^_^

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