Question

X2 - 2x -3 =0 solve this
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Answer 1

Answer:

hlo....

here is your answer..

Answer 2

x²+(-2x)+(-3 )= 0 ; comparing with ax²+bx + c = 0.

a=1 ,b=-2 ,c= -3.

x = [-b±√(b²-4ac)]/ 2a

x = [2±√(4+12)]/2

x = [2±4]/2

x = (2+4)/2. or. x = (2-4)/2.

x = 3. or. x = -1