anonymous
  • anonymous
???
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Vocaloid
  • Vocaloid
?
anonymous
  • anonymous
@vocaloid what do i do after This ?
Vocaloid
  • Vocaloid
?

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anonymous
  • anonymous
😐
Vocaloid
  • Vocaloid
what is your question?
anonymous
  • anonymous
What is the next step ?
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Vocaloid
  • Vocaloid
uh, well, we need to start over since you missed something important in the beginning of the problem
anonymous
  • anonymous
No I didnt 😐 This is how i wS taught
Vocaloid
  • Vocaloid
your equation is 7x^2-6x = -2 we need to add 2 to both sides first, to get 0 on the right side 7x^2 - 6x + 2 = 0 giving us: a = 7, b = -6, c = 2 (not -2)
Vocaloid
  • Vocaloid
also, you made a small mistake in the quadratic formula: |dw:1440032890263:dw| (you missed the b^2 part)
Vocaloid
  • Vocaloid
anyway, after we plug in a, b, and c we get: |dw:1440032970739:dw|
anonymous
  • anonymous
b=6 b^2 =6^2 . I fixed yhe other mistake
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Vocaloid
  • Vocaloid
ah, I see, but let's keep going
Vocaloid
  • Vocaloid
|dw:1440033205977:dw|
Vocaloid
  • Vocaloid
|dw:1440033237890:dw| now, if you haven't learned about imaginary numbers, we would put "no solution" as our answer since the square root of -20 is an imaginary number. otherwise, we can keep going
Vocaloid
  • Vocaloid
|dw:1440033328055:dw|
Vocaloid
  • Vocaloid
then divide everything by 2, giving us: |dw:1440033419750:dw| which ends up being our answer, if we are considering imaginary numbers
anonymous
  • anonymous
It would be 3 +- squareroot 5i over 7
Vocaloid
  • Vocaloid
depends, have you learned imaginary numbers yet?
anonymous
  • anonymous
Yes Im in 10th grade Ac Geometry . I learned imaginary numbers in 7th grade 😐
Vocaloid
  • Vocaloid
ah, sorry for the late reply yeah, that should be your answer in the end

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