Posted by Nick on Thursday, December 6, 2007 at 3:24pm.
this question does not make sense to me.
Add the proper constant to the binomial so that the resulting trinomial is a perfect square trinomial. then factor the trinomail.
X^2+21x+__
What is the constant term?
What is the factored for of the trinomial?
i just cant figure the constant

Math  bobpursley, Thursday, December 6, 2007 at 4:21pm
Take half of 21, and square it.
(21/2)^2
(x+21/2)^2

Math  drwls, Thursday, December 6, 2007 at 6:29pm
What you end up with will be
x^2 + 21x + 110.25 = (x + 10.5)^2
Answer This Question
Related Questions
 math 118  x^2+10x Add the proper constant to the binomial so tha tthe resulting...
 math  Consider the following binomials. A=(x^2+5x) B=(6x+30) Part 1: Factor ...
 math  Consider the following binomials. A=(x^2+5x) B=(6x+30) Part 1: Factor ...
 math  Consider the following binomials. A=(x^2+5x) B=(6x+30) Part 1: Factor ...
 algebra  the binomial 8y^12+z^6 can be factored into a binomial and a trinomial...
 Algebra  Complete the square for the binomial. Then factor the resulting ...
 Algebra  Complete the square for the binomial. Then factor the resulting ...
 math,help  Is this trinomial a perfect square x^26x+9 if the trinomial starts ...
 Math  Find the constant term that should be added to make the following ...
 Algebra 1Please, help me!  1. Maria has 8 cups of a fruit punch that consists...
More Related Questions