SOLUTION: It tells me to find the product, how do i do that? here are two of the different types that are on there, i just need to see how to do them and i should be able to do the rest of m

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: It tells me to find the product, how do i do that? here are two of the different types that are on there, i just need to see how to do them and i should be able to do the rest of m      Log On


   



Question 39162: It tells me to find the product, how do i do that? here are two of the different types that are on there, i just need to see how to do them and i should be able to do the rest of my problems.
(j+7)(j-7)
(2n+2)(2n-2)

Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
First, multiply the first terms together; then, you multply the first term with the second term; next, multiply the second term with the first; last, multiply the last terms together.
%28j%2B7%29%28j-7%29
%28j%29%28j%29+%2B+%287%29%28j%29+-+%287%29%28j%29+-+%287%29%287%29
j%5E2+%2B+7j+-+7j+-+49
j%5E2+-+49
........................
%282n%2B2%29%282n-2%29
%282n%29%282n%29+-+2%282n%29+%2B+2%282n%29+-+2%282%29
4n%5E2+-+4n+%2B+4n+-+4
4n%5E2+-+4