Question

Step by step explaination​

Answer 1

Answer:

Option D)

Step-by-step explanation:

We know for a quadratic equation

Sum of roots(A+B) =-b/a (A and B are roots)

Where b is coefficient of x and a is coefficient of x^2.

For options

A) sum of roots =-10/2=-5

Which is not equal to 5

B) SUM of roots =-(-10)/1=10

Which is not equal to 5

C) sum of roots =-15/3=-5

Which is not equal to 5

D) sum of roots =15/3=5

Which is equal to 5

Hence D is the option