Which quadratic function has one real solution?

0 = 2(x + 7)(x – 5)
0 = (x – 3)(x – 3)the quadratic function f(x) = –x2 – 6x – 8 is graphed.

what are the solutions of the quadratic equation 0 = –x2 – 6x – 8?

2 and –4
–2 and 4
–2 and –4
2 and 4

0 = 2.4(x – 2)(x + 2)
0 = (x – 2)(x – 1)

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Big boi and travis scott are performing at the super bowl. travis scott is 62 years younger than twice big boi’s age. the sum of their ages is 70 years old. use b to represent big boi’s age. write and solve an equation.

Can you me with this question? i'll reward *30 points i just need with this one question so that i could solve the others. * edit: i originally set up the question to reward 30 points, but for some reason i can only reward 15. if you don't get 30, then i'm sorry. i'm still kind of new to this site