Posted by Bob on Tuesday, May 20, 2008 at 6:46pm.
Write an equivalent expression in factored form:
x squared + 4 x
x squared + x + x + 1

Math  drwls, Tuesday, May 20, 2008 at 7:41pm
x^2 + 4x = x(x+4)
x^2 + x + x + 1 = x^2 + 2x = 1 = (x+1)^2