Help solving 9x^2+21x+8=0. The directions tell me to factor this out and then set each factor equal to zero, and I cannot seem to find what the factor is. Please help me!

Question

anonymous · Answer

Sorry......

anonymous · Answer

All the  factor are not =0 friend :)

anonymous · Answer

We have 2th equation .
So need to find Delta .
@abdulwahab1 :Do u know the 2th equation????:)

anonymous · Answer

@E.ali , we don't have 2th equation at all,this equations are called"Quadratic equation"

anonymous · Answer

Yea !
My means was that :D

anonymous · Answer

@abdulwahab1:do u know the Quadratic equation ??????

anonymous · Answer

No I don't

anonymous · Answer

have a look at this: http://en.wikipedia.org/wiki/Quadratic_equation