Question

Expand the following using either the Binomial Theorem or Pascal’s Triangle. You must show your work for credit.

(x - 5)5

Answer 1

in applying pascal's triangle
ex.

(a-b)^4

since the power is 4, we look at the 5th row

a^4 + "4" (a)^3 (-b) + "6" (a)^2 (-b)^2 + "4" (a) (-b)^3 + (-b)^4

Answer 2

Thank you!

Answer 3

Wait, does the 5th row explanation apply to the question?

Answer 4

yes
basically the pascal's triangle goes on forever in your case,
since the power is 5, you would have to use the 6th row which i did not write down

and the variable follow a similar pattern to the example i showed

Answer 5

in your case a= x and b = 5

Answer 6

Thanks again!