decide whether each trinomial is a perfect square. if so, factor it.
x^2 - 4x + 4
how do i solve this?? i don't understand the method..
2 answers
is it (x - 2x)^2 ?
(x - 2x)^2
Expand:
(x - 2x)(x - 2x)
Simplify using the Foil Method:
http://www.algebrahelp.com/lessons/simplifying/foilmethod/pg2.htm
does it equal to x^2 - 4x + 4 ?
Expand:
(x - 2x)(x - 2x)
Simplify using the Foil Method:
http://www.algebrahelp.com/lessons/simplifying/foilmethod/pg2.htm
does it equal to x^2 - 4x + 4 ?
1 answer