please help and make sure all the answers and work is right

Algebra
Tutor: None Selected Time limit: 1 Day

May 14th, 2015

1)pascal starts with 1

2) Row

3) row number 5

4) 45x^2

5) 27x^3

6) -54x^2

7) 36x


May 14th, 2015

4) is 54x^2 please correct that

May 14th, 2015

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May 14th, 2015
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May 14th, 2015
Dec 9th, 2016
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