Posted by **Sam** on Thursday, January 7, 2010 at 5:43pm.

I am confused on how to determine if an equation/expression is a trinomial square. For example c^2(squared)-18c+81. I know that this is a trinomial square but I don't know why. Could someone please help me understand better

## Answer this Question

## Related Questions

- algebra 1 - Determine whether each trinomial is a perfect square trinomial. x^2-...
- algebra 2 - find the value of c that makes each trinomial a perfect square. then...
- Algebra 1 - m(squared)-8m+n Find the value on n such that each expression is a ...
- math,help - Is this trinomial a perfect square x^2-6x+9 if the trinomial starts ...
- math 118 - x^2+10x Add the proper constant to the binomial so tha tthe resulting...
- trinomial - I need this answer. Which trinomial is a perfect square trinomial? A...
- Algebra 1 - 1. What is the excluded value for the rational expression x^2 - 4/3x...
- Algebra 2 - Find the value of c that makes the expression a perfect square ...
- Math - Find the constant term that should be added to make the following ...
- Algebra 1--Please, help me! - 1. Maria has 8 cups of a fruit punch that consists...

More Related Questions