Posted by **Jose** on Thursday, December 1, 2011 at 11:19pm.

9t^2-3t=0. Solve using quadratic formula

- Math -
**Reiny**, Thursday, December 1, 2011 at 11:46pm
if the constant is missing, there is no need to use the formula, since the equation will always factor

9t^2 - 3t = 0

3t(3t-1) = 0

t = 0 or t = 1/3

if you insist ....

a = 9, b = -3, c = 0

x = (3 ± √(9-0)/18

= (3±3)/18

= 1/3 or 0

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