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Add and subtract $\displaystyle\left(\frac{b}{2a}\right)^2$
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$x^2-24x+144+144-144$
Learn how to solve polynomial factorization problems step by step online. Factor by completing the square x^2-24x+144. Add and subtract \displaystyle\left(\frac{b}{2a}\right)^2. Factor the perfect square trinomial x^2+-24x+144. Subtract the values 144 and -144.