octoberroo
  • octoberroo
PLZ HELP FOR MEDALS Solve x2 - 3x = -8
Mathematics
chestercat
  • chestercat
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pooja195
  • pooja195
Are we supposed to use the quadratic formula?
pooja195
  • pooja195
Or factoring...? What do the directions say?
anonymous
  • anonymous
what are your options

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pooja195
  • pooja195
@EllenJaz17 its better to guide the user rather than do the work for them
octoberroo
  • octoberroo
3+-i sqrt29 x= --------- 2 3+-i sqrt23 x= --------- 2 -3+-i sqrt29 x= --------- 2 -3+-i sqrt23 x= --------- 2
octoberroo
  • octoberroo
those are the choices can someone please help
pooja195
  • pooja195
Are you fimilar with this equation? \[\huge~\rm~ax^2+bx+c=0\]
anonymous
  • anonymous
start with adding 3 to both sides
octoberroo
  • octoberroo
i just want to know the answer honestly
octoberroo
  • octoberroo
thank you<3
pooja195
  • pooja195
Congrats for not learning anything.
SolomonZelman
  • SolomonZelman
when the equation is \(\LARGE\color{black}{ \color{blue}{a} x^2+ \color{magenta}{b}x+ \color{red}{c}=0 }\). then, x solutions go by the following formula: \(\bbox[8pt, lightyellow ,border:8px solid black]{\huge \huge{x=~} \huge{ \frac{-\color{magenta}{b} \pm\sqrt{ \color{magenta}{b} ^2-4 \color{blue}{a} \color{red}{c}}}{2 \color{blue}{a}} } ~ }\)
SolomonZelman
  • SolomonZelman
you just need to add 8 to both sides, and to identify your abc.

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