Hi, I got this question wrong in an assignment I did and was wondering how you get the answer.

Expand and simplify (x-(1/3y)+(2/5z))^2?

The answer is apparantly x^2 + 1/9y2 + 4/25z^2 - 2/3xy + 4/5xz - 2/15yz But how do I get that?

Printable View

- March 23rd 2010, 09:01 PMbrumby_3Algebra question
Hi, I got this question wrong in an assignment I did and was wondering how you get the answer.

Expand and simplify (x-(1/3y)+(2/5z))^2?

The answer is apparantly x^2 + 1/9y2 + 4/25z^2 - 2/3xy + 4/5xz - 2/15yz But how do I get that? - March 23rd 2010, 09:36 PMsa-ri-ga-ma
- March 23rd 2010, 09:46 PMbrumby_3