Question

x²-2x+4=0 solve using formula ​

Answer 1

Answer:

x²-(2+2)x+4=0

x²-2x-2x+4=0

x(x-2)-2(x-2)=0

(x-2)(x-2)=0

either or

(x-2)=0 (x-2)=0

x=+2 x=+2

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

No real roots exist

as discriminant is less than 0