Question

show that the sum of roots of quadratic equation -x²+3x-3= 0 is 3.​

Answer 1

Given : quadratic equation -x²+3x-3= 0  

To Find : Show that sum of the roots of quadratic equation is 3

Solution:

quadratic equation  ax² + bx + c = 0

sum of roots = -b/a

quadratic equation -x²+3x-3= 0  

=> a = - 1

  b = 3

c = 3

sum of roots = -b/a

= - 3/(-1)

= 3

hence sum of roots is 3

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Answer 2

Step-by-step explanation:

refer to above attachment

ignore the mistake ....OK

hope it will help u