Final answer to the problem
Step-by-step Solution
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Use the complete the square method to factor the trinomial of the form $ax^2+bx+c$. Take common factor $a$ ($-1$) to all terms
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$\left(-\left(x^2+4x-6\right)\right)^2$
Learn how to solve factor problems step by step online. Factor the expression (6-4x-x^2)^2. Use the complete the square method to factor the trinomial of the form ax^2+bx+c. Take common factor a (-1) to all terms. Add and subtract \displaystyle\left(\frac{b}{2a}\right)^2. Factor the perfect square trinomial x^2+4xx+4. Subtract the values -6 and -4.