Question 207784
It's probably a perfect square trinomial.  But first, take out the common factor of 4.   ALWAYS TAKE OUT THE COMMON FACTOR FIRST!!


4(4w^2 - 28w + 49) 


Now, try this, using perfect squares 4w^2 and 49.


4(2w - 7)(2w-7)
4(2w-7)^2


One more time, please see my own website by clicking on my tutor name "Rapaljer" anywhere in algebra.com.  Look for the link on my homepage "Basic, Intermediate, and College Algebra: One Step at a Time." Select "Basic Algebra", Chapter 2, and look for "Factoring Trinomials".  See also my page called "MATH IN LIVING COLOR", again, Basic Algebra, Chapter 2.  There I have a lot of problems like this solved in "Living Color".


R^2


Dr. Robert J. Rapalje
Seminole State College
Altamonte Springs Campus
Florida