anonymous
  • anonymous
2x^2+8x=-1
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
factor?
anonymous
  • anonymous
yes, if difficult use quadratic formula
anonymous
  • anonymous
-2 plus or minus (sqrt 14 / 2)

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anonymous
  • anonymous
not an answer on the sheet
anonymous
  • anonymous
(x+2)(2x-sqrt14)
anonymous
  • anonymous
-4 plus or minus sqrt 14 over 2 -4 plus or minus sqrt 2 over 2 -4 plus or minus sqrt 14 over 4 -8 plus or minus sqrt 14 over 2
anonymous
  • anonymous
ok after a long time of being brain dead (i forgot how to do this) i got your answer. It's -4 plus or minus sqrt 14 over 2
anonymous
  • anonymous
thank ya
anonymous
  • anonymous
Ok, so first let's plug it into the quadratic formula -b plus or minus √b^2-4*a*c --------------------------------- 2*a so we get -8 (+-) √8^2-4*2*1 / 2 * 2 let's use basic order of operations -8 (+-)√56 ----------- 4 Now, remember to simplify your radical as best as you can. -8(+-) 2√14 ------------- 4 but -8, 4 , and 2 all go into 2, so we can simplify all numbers by that (except the radical) so we get -4 (+-) √14 ------------ 2

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