if x^2+8x+4=0 then x=
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a=1 b=8 c=4
x= -b+-√b^2-4ac /2a
-8+-√64-16 /2
-8+-√48/2
Therefore x= -8+√48 /2 & -8-√48 /2(Ans)
x= -b+-√b^2-4ac /2a
-8+-√64-16 /2
-8+-√48/2
Therefore x= -8+√48 /2 & -8-√48 /2(Ans)
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