Question

Find the natural of root x^2-x-20

Answer 1

Answer:

x = 5, -4

Step-by-step explanation:

Answer 2

Answer:

real and unequal

Step-by-step explanation:

x^2 - x - 20

where,

a = 1

b = - 1

c = - 20

D = b^2 - 4ac

   = ( - 1 )^2 - 4 ( 1 ) ( - 20 )

   =  1 - 4 ( - 20 )

   = 1 + 80

D = 81

D > 0

Nature of the roots : Real and unequal.