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Calculate the square root of $5$
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$15x^2-\frac{2}{\sqrt{5}}x$
Learn how to solve implicit differentiation problems step by step online. Factor by completing the square 15x^2+-2/(5^1/2)x. Calculate the square root of 5. Divide -2 by \sqrt{5}. We will use the complete the square method to complete the polynomial 15x^2-\frac{2\sqrt{5}}{5}x. First, factor both terms by the coefficient of the term ax^2, which is 15. Add and subtract \left(\frac{b}{2}\right)^2, replacing b by it's value -\frac{13}{218}.