Find the sum of the roots of the quadratic x^2 + 7x - 13 = 0

-7

Step-by-step explanation:

You use the quadratic formula of to get:

a = 1

b = 7

c = -13

then you plug that into x= (-b ± √b²-4ac)/(2a) :

x= ( -7 ± √7²- 4(1)(-13) )/(2(1))

The sum of these two x values turns out to be:

there will be 35 boys in each team. : )

step-by-step explanation: