anonymous
  • anonymous
does this equation factor? y=-x^2+8x-14
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
You can't normally factor this quadratic so you must use the quadratic formula. So for any given quadratic in the form:\[\bf ax^2+bx+c=0\]The roots "x", is given by:\[\bf x=\frac{ -b \pm \sqrt{b^2-4ac} }{ 2a }\] @soccergurl7991
anonymous
  • anonymous
so it wont factor?
goformit100
  • goformit100
for checking if it is can be factored.. has too simple steps. you first have to check that if ther is any type of manipulation could be done to get |dw:1371242256065:dw|

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goformit100
  • goformit100
@genius12 gave a nice method too
anonymous
  • anonymous
I know I can use the q. formula but I have to solve it by graphing, factoring and the quadratic formula and I already did the other two. I just want to know if it will factor
anonymous
  • anonymous
It will factor, but not the way you normally do it. For example, if we have the quadratic:\[\bf x^2+x-6=0\]We can find two numbers that multiply to -6 and add up to 1. Those numbers would be 3 and -2 hence the quadratic can be factored to be:\[\bf (x-3)(x+2)=0\]We can't do the same for your quadratic as we don't know any two integers that multiply to -14 and add up to 8 which is why we must use the quadratic formula. @soccergurl7991
anonymous
  • anonymous
okay thank you
goformit100
  • goformit100
Mention Not

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