bandaidgirl
New member
- Joined
- Sep 3, 2006
- Messages
- 13
solve polynomial equation by factoring and using zero-product principle
x+1= 9x(cubed) + 9x^
9x(cubed) +9x^-x-1=0
9x^(x+1)-(x-1)=0
(x+1)(9x^-1)=0
how do i get both of the "1" either + or - so i can finish this
x+1= 9x(cubed) + 9x^
9x(cubed) +9x^-x-1=0
9x^(x+1)-(x-1)=0
(x+1)(9x^-1)=0
how do i get both of the "1" either + or - so i can finish this