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Combining like terms $x^2$ and $x^2$
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$2x^2+4x-5x$
Learn how to solve integral calculus problems step by step online. Factor by completing the square x^2+4x-5xx^2. Combining like terms x^2 and x^2. Combining like terms 4x and -5x. We will use the complete the square method to complete the polynomial 2x^2-x. First, factor both terms by the coefficient of the term ax^2, which is 2. Add and subtract \left(\frac{b}{2}\right)^2, replacing b by it's value -\frac{1}{2}.