hba
  • hba
A possible interval of values of k for which the equation (x+k)x=-4,have two real solutions is :
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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hba
  • hba
k>0,k>2,k>4,k<4
anonymous
  • anonymous
(x+k)x=-4 x^2 + kx + 4 = 0
anonymous
  • anonymous
First, rearrange the equation into the form ax^2 + bx + c = 0 after expanding the original equation.

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hba
  • hba
I got that already @Yahoo!
hba
  • hba
what next ?
anonymous
  • anonymous
For two real solutions b^2 - 4ac > 0
anonymous
  • anonymous
x^2 + kx + 4 = 0 k^2 - 16 > 0
hba
  • hba
k >4 < Answer
anonymous
  • anonymous
yup..)

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