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Add and subtract $\displaystyle\left(\frac{b}{2a}\right)^2$
Learn how to solve polynomial factorization problems step by step online.
$x^2-22x+121+121-121$
Learn how to solve polynomial factorization problems step by step online. Factor by completing the square x^2-22x+121. Add and subtract \displaystyle\left(\frac{b}{2a}\right)^2. Factor the perfect square trinomial x^2+-22x+121. Subtract the values 121 and -121.