Here it's easiest to use a dummy variable to turn it into an easier quadratic.
Let to give
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Hi all;
I can factor (x-3)^4 + 2(x-3)^2 -8 to give (x^2 - 6x +13)(x^2 - 6x +7)
What I need is more practice with this type of factoring so does anyone know of any websites that contain these typs of problems and indeed any good books on factoring and logarithums?
Thanks.