SOLUTION: Find each of the following products. a(a + 5)(a - 5) Please help me. Thank you.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Find each of the following products. a(a + 5)(a - 5) Please help me. Thank you.      Log On


   

Question 27666: Find each of the following products.
a(a + 5)(a - 5)
Please help me.
Thank you.
Answer by sdmmadam@yahoo.com(530) About Me  (Show Source):
You can put this solution on YOUR website!
Find a(a + 5)(a - 5)
a(a + 5)(a - 5)
= a[(a)^2-(5)^2] using the formula (x+y)(x-y) = x^2-y^2
= a(a^2-25)
= (a)(a^2)-(a)X25
= a^3-25a