Posted by liz on .
x^2+10x
Add the proper constant to the binomial so tha tthe resulting trinomial is a perfect square trinomial. Then factor the trinomial

math 118 
MathMate,
Example:
x²+6x
=x²+2(3x)
=(x+3)²3²
Or:
x²+6x+3² = (x+3)²