SOLUTION: 1<2A-5<13 (A+4)(A-4) (A-7)(3A-4) (3A-7)(2A-9) A^2-81 A^2-4-21 2A^2-11A+12 |A+2|=9 |A-7|=15

Algebra ->  Test -> SOLUTION: 1<2A-5<13 (A+4)(A-4) (A-7)(3A-4) (3A-7)(2A-9) A^2-81 A^2-4-21 2A^2-11A+12 |A+2|=9 |A-7|=15      Log On


   

Question 356098: 1<2A-5<13
(A+4)(A-4)
(A-7)(3A-4)
(3A-7)(2A-9)
A^2-81
A^2-4-21
2A^2-11A+12
|A+2|=9
|A-7|=15
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
(A+4)(A-4)=A^2-16