Solve the given quadratic equation by
using the formula method :
m² + 5m + 5 = 0.
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Answer:
5m^2 −4m−2=0
a=5,b=−4,c=−2
m=(−b±√ b^2−4ac)/2a
m= 2⋅5−(−4)± (−4)^2 −4⋅5(−2)
=( 4± √56)/10
m= (2± √14) /5
m=(2+√14) /5 or m=(2-√14) /5
may be this help you
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