SOLUTION: 12t^2+17t=40....it says to solve. when i try to do it i come up with t=5/4,8/3...my teacher says its wrong and to do it again. i did it again and get 0. please PLEASE help me and

Question 711750: 12t^2+17t=40....it says to solve.
when i try to do it i come up with t=5/4,8/3...my teacher says its wrong and to do it again. i did it again and get 0. please PLEASE help me and please show your work.
thank you so much
~April
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
12t^2+17t=40
12t^2+17t-40 = 0
(3t - 8)*(4t + 5) = 0
--------
t = -5/4 **** you have +5/4
t = 8/3
=================
PS It's still February, not April.
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