SOLUTION: 9t^2 + 3t = 0 3t(3t + 1)= 0 My professor syas I have the factoring correct, but that I need to now solve for t. Can someone help me understand this. Thank You. Rae Henson

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: 9t^2 + 3t = 0 3t(3t + 1)= 0 My professor syas I have the factoring correct, but that I need to now solve for t. Can someone help me understand this. Thank You. Rae Henson      Log On


   

Question 621967: 9t^2 + 3t = 0
3t(3t + 1)= 0
My professor syas I have the factoring correct, but that I need to now solve for t. Can someone help me understand this. Thank You.
Rae Henson
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

9t^2 + 3t = 0

(3t)(3t + 1)= 0   ||The idea is that both factors must then = 0, allowing the solving for t

3t = 0,   t+=+0

(3t + 1)= 0

 3t = -1

 +t+=+-1%2F3