anonymous
  • anonymous
Which equation is a quadratic equation? 3x − y = 8x + 2 y = 7x(5 − 2x) + 9 7x^2 + y = (3 + x)(7x − 1) y − 3 = (x^2 − 3)(8x + 3)
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
wat do you mean by y=?
anonymous
  • anonymous
idk that was in the question
anonymous
  • anonymous
put y=0 then this is quadratic equation y = 7x(5 − 2x) + 9

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anonymous
  • anonymous
For what equation when you will solve then you get \(x^2\)..
anonymous
  • anonymous
so can u help me with the question
anonymous
  • anonymous
thats your quadratic equation y = 7x(5 − 2x) + 9
anonymous
  • anonymous
wait.. oh.. so the second one is the quadraic equation?
anonymous
  • anonymous
yup.
anonymous
  • anonymous
thanks.
anonymous
  • anonymous
can u help me with more work
anonymous
  • anonymous
yes. You are welcome always.

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