anonymous
  • anonymous
identify the solutions to the equation 3x^2-4x=-2 when you solve by using the quadratic formula
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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Mertsj
  • Mertsj
First add 2 to both sides so you can have the equation in the correct form.
Mertsj
  • Mertsj
Then you will see that a = 3, b = -4 and c = 2
Mertsj
  • Mertsj
Now plug those values into the quadratic formula.

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anonymous
  • anonymous
which is?
Mertsj
  • Mertsj
\[x=\frac{-b \pm \sqrt{b ^{2}-4ac}}{2a}\]
anonymous
  • anonymous
the options look like this
anonymous
  • anonymous
|dw:1327793835199:dw|
anonymous
  • anonymous
No real solutions to your probelm
anonymous
  • anonymous
thus just write that unless your teacher specified that he wants you to answer in imaginary numbers
anonymous
  • anonymous
no it is one of those answers
anonymous
  • anonymous
yes it can be imaginary
myininaya
  • myininaya
\[x=\frac{-(-4) \pm \sqrt{(-4)^2-4(3)(2)}}{2(3)}\]
myininaya
  • myininaya
same thing as before simplify
anonymous
  • anonymous
what do i do with the squareroot of-8?
myininaya
  • myininaya
\[\sqrt{-8}=i \sqrt{8}= i \sqrt{4} \sqrt{2} =i (2) \sqrt{2}=2 i \sqrt{2}\]

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