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Factor the polynomial $x^2+7x$. Add and subtract $\left(\frac{b}{2}\right)^2$, replacing $b$ by it's value $7$
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$x^2+7x+\frac{49}{4}-\frac{49}{4}$
Learn how to solve polynomial factorization problems step by step online. Factor by completing the square x^2+7x. Factor the polynomial x^2+7x. Add and subtract \left(\frac{b}{2}\right)^2, replacing b by it's value 7. Now, we can factor x^2+7x+\frac{49}{4} as a squared binomial of the form \left(x+\frac{b}{2}\right)^2. Calculate the square root of \frac{49}{4}.