Question

solve
x²+2x+3 plz telll the answer

Answer 1

Here is your answer :-

x² + 2x +3 =0

a = 1 , b = 2 , c = 3

D = b² -4ac
= 4 - 12 = -8

x = -b±√D/2a

= -2±√-8/2

= -2±2√2i/2. ( √-1 = i )

= -1±√2i

x = -1+√2i or -1-√2i

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Answer 2

x^2 + 2x + 3 = 0

x^2+ 3x- x +3 = 0

x (x+3) -1 (x+3) = 0

(x+3) (x-1) = 0

x+3 = 0

x = -3

x+1 = 0

x = -1