solve the quadratic equation by formula method : x²-7x-3=0
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hope it will help you.
please mark as brainliest.
Step-by-step explanation:
Please refer to the above attachment for your answer
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Step-by-step explanation:
on comparing equation with ax²+bx+c
a=1,b= -7,c= -3
x=-b±√b²-4ac/2a
-(-7)±√-7²-4×1×(-3)/2×1
= 7±√49+12/2
= 7±√61/2
one time by (+)=7+√61/2
one time by (-)=7-√61/2
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