Question

Find the roots of x ^2 + 4x + 5 = 0 if they exist, by the method of completing the square

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:

x  

2

+4x−5=0

⟹(x+2)  

2

−4−5=0

⟹(x+2)  

2

−9=0

⟹(x+2)  

2

−3  

2

=0

⟹(x+5)(x−1)=0

⟹x=1,−5