SOLUTION: 3(s-t)2

SOLUTION: 3(s-t)2

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Question 639189: 3(s-t)2
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
3(s-t)^2

3(s-t)(s-t)

3(s(s-t)-t(s-t))

3(s^2-st-ts-t^2)

3(s^2-st-st-t^2)

3(s^2-2st-t^2)

3s^2-6st-3t^2

So 3(s-t)^2 simplifies to 3s^2-6st-3t^2
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