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Find the roots of the equation using the Quadratic Formula
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$x^2+2x=15$
Learn how to solve equations problems step by step online. Find the roots of x^2+2x=15. Find the roots of the equation using the Quadratic Formula. Rewrite the equation. Factor the trinomial x^2+2x-15 finding two numbers that multiply to form -15 and added form 2. Thus.