Question 855313
<pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
x^4-12x^2+11=0   factor  (Note: {{{x^2 * x^2 = x^4}}})
(x^2 - 11)(x^2-1) = 0
Check factoring with FOIL
F	First terms
O	Outside terms
I	Inside terms
L	Last terms