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OpenStudy (iwanttogotostanford):
@Lord_Frieza
OpenStudy (anonymous):
Im back
OpenStudy (anonymous):
K here are my steps tell me if you dont understand them
OpenStudy (iwanttogotostanford):
ok
OpenStudy (anonymous):
Let's solve your equation step-by-step.
x2+3x+1=0
Step 1: Use quadratic formula with a=1, b=3, c=1.
x=
−b±√b2−4ac
2a
x=−(3)±√(3)2−4(1)(1)
2(1)
x=
−3±√5
2
x=
−3
2
+12√5 or x=−32
+
−1
2
√5
Answer:
x=−32+12√5 or x=−32+−12√5
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OpenStudy (iwanttogotostanford):
-32??
OpenStudy (iwanttogotostanford):
that isn't even one of my answers
OpenStudy (anonymous):
omfg sorry
OpenStudy (anonymous):
I fudged up so hard lol
OpenStudy (iwanttogotostanford):
its fine
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OpenStudy (anonymous):
can you give me the optional answers plz
OpenStudy (iwanttogotostanford):
x equals the quantity of 3 plus or minus square root 13 all over 2
x equals the quantity of negative 3 plus or minus square root 13 all over 2
x equals the quantity of negative 3 plus or minus square root 5 all over 2
x equals the quantity of 3 plus or minus square root 5 all over 2
OpenStudy (anonymous):
ok lol i typed it wrong heres my asnwer x=−32+1√5 or x=−32+−12√5
OpenStudy (iwanttogotostanford):
thats still not right
OpenStudy (anonymous):
omfg wait one sec replace 32 with -3/2
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