please help desperate..?

Question

11: x2 + 15x + 54 = 0
6, 9
-6, -9
-54


12: x2 - 13x + 30 = 0
-5, 6
3, 10
-3, -10


13: x2 - 22x = -120
-10, 22
-10, -12
10, 12


14: 64x2 - 144x + 81 = 0
9/8
8/9, 0
8/9, 9/8


15: 9x2 + 48x + 64 = 0
-8/3
8/3
-3/8

Answer 1

11) -6,-9
12)3,10
13)10,12
14) 9/8
15)-8/3

Answer 2

People who answer your questions should notice that you have used three separate questions to hace us do your homework on questions 6 through 20.