anonymous
  • anonymous
Factor x²+4x-4
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
is it a quadratic equation question ?
anonymous
  • anonymous
Do you mean x²+4x+4?
anonymous
  • anonymous
no it's -4 i've been working on it, but it's no factoring :/

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anonymous
  • anonymous
Because factoring x²+4x-4 is pretty difficult.
anonymous
  • anonymous
Well, It's safe to say that it cannot be factored.
anonymous
  • anonymous
Using the quadratic formula would be the easiest method
anonymous
  • anonymous
@Copythat How can quadratic formula help us to factor it?
anonymous
  • anonymous
yeah, i dont think the formula's working
anonymous
  • anonymous
\[\lim_{x \rightarrow -3} \frac{ x^2+4x-4 }{ x-3 }\]
anonymous
  • anonymous
You could try factoring out the x. x(x+4)-4
anonymous
  • anonymous
I don't see why you have to factor the numerator. All you have to do is plug -3 into x.
anonymous
  • anonymous
but the i get a number over x
anonymous
  • anonymous
What do you mean? Ave to do is plug -3, like this:\[\frac{ (-3)^2 + 4(-3) - 4 }{ (-3) - 3 }\]
anonymous
  • anonymous
yes you're right i got 7/6
anonymous
  • anonymous
Yeah. Glad I helped.

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