SOLUTION: can you show me how to solve step by step t^2-13t+42

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Question 14706: can you show me how to solve step by step t^2-13t+42
Answer by rahman(247) About Me  (Show Source):
You can put this solution on YOUR website!
t%5E2-13t%2B42=0
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42=(-6)*(-7)
-13=(-6)+(-7)
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t%5E2-13t%2B42=0
(t-6)(t-7)=0
t-6 = 0 or t-7=0
t=6 or t=7
OK