Final answer to the problem
Step-by-step Solution
Learn how to solve completing the square problems step by step online. Factor the expression x^4+2x^2+-12. We can factor the fourth degree trinomial x^4+2x^2-12 by applying the substitution: y=x^2. Add and subtract \displaystyle\left(\frac{b}{2a}\right)^2. Divide 2 by 2. Divide 2 by 2.