Question

If the sum of zeroes of a quadratic polynomial f(x) = 5x^2– (3 + k)x + 7 is 0, find the value ofk.

Answer 1

-3 is the value of k

Answer 2

It is given in your question that the sum of the roots of the given polynomial is 0
sum of roots is : [- {- (3+k)}/5] = 0....... (i)
on solving (i) we get the value of k as... - 3...this is ur answer...