Question

what is the discriminate of -x^2+4x-3=0 ​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

firstly we get (-)common

x^2-4x+3 =0

a =1 b= -4 c= 3

D = b^2 + 4ac

= -4^2 + 4× 1 × 3

= 16 + 12

= 28

x= b +/- rootD /2a

= -4 ×/- root 28 / 2×1

= -2 + root 28 , -2 - root 28