Practice problem
What is (x+2)(x−2)(x + \sqrt{2})(x - \sqrt{2})(x+2)(x−2) when expanded and simplified?
x2−4x^2 - 4x2−4
x2−2x^2 - 2x2−2
x2+2x^2 + 2x2+2
x2−4x−4x^2 - 4x - 4x2−4x−4
Type a concept, like “slope” or “photosynthesis”.
