anonymous
  • anonymous
4x^2+x+3=0. how do i find the roots??
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
Trial and error. Keep trying different set of numbers until you get it.
myininaya
  • myininaya
factoring doesn't always work if factoring fails, use the quadratic formula
anonymous
  • anonymous
Use the quadratic equation roots = -b +/- (sqrt(b^2-4ac))/2a, where a=4,b=1,c=3

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anonymous
  • anonymous
It doesn't always work, but you must exhaust the easy possibilities.
myininaya
  • myininaya
http://www.google.com/imgres?imgurl=http://www.crewtonramoneshouseofmath.com/images/quad_eq.gif&imgrefurl=http://www.crewtonramoneshouseofmath.com/quadratic-formula.html&h=144&w=216&sz=1&tbnid=CthzqmDGhvueTM:&tbnh=71&tbnw=107&prev=/search%3Fq%3Dquadratic%2Bformula%26tbm%3Disch%26tbo%3Du&zoom=1&q=quadratic+formula&usg=__BtioolT9neQrjZOegiR_Tt24ZCg=&sa=X&ei=TbC9TZrnJdKgtgflhsjPBQ&ved=0CFgQ9QEwBA
myininaya
  • myininaya
it was supose to be one link
myininaya
  • myininaya
http://www.regentsprep.org/Regents/math/algtrig/ATE3/quadformula.htm
myininaya
  • myininaya
this link has the quadratic formula on it all you have to do is plug in the values for a ,b , and c

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