Question

find the sum of zeroes of quadratic polynomial 3x square +15x+7​

Answer 1

Answer:

sum of zeroes = -b/a

So alpha + bita = -15/3

= -5

therefore the sum of the zeroes are -5

Answer 2

sum of zeroes = -b / a

here, a = 3 , b = 15 , c = 7

so alpha + beta = - 15 / 3

= - 5