Question

solve by using quadratic equation formula x²-3x+1=0
and please solve a d give me please
​

Answer 1

Answer:

x = (-b-√D/2a), (-b+√D/2a)

D = b^2-4ac

= (-3)^2 - 4*1*1*

= 9 -4 = 5

D = 5

x = [ -(-3)-√5/2*1], [-(-3)+√5/2*1]

x = (3-√5/2), (3+√5)