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The derivative of a function multiplied by a constant ($-1$) is equal to the constant times the derivative of the function
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$-\left(2u-1\right)\frac{d}{dx}\left(x^2\right)$
Learn how to solve differential calculus problems step by step online. Find the derivative using the quotient rule d/dx((2u-1)-x^2). The derivative of a function multiplied by a constant (-1) is equal to the constant times the derivative of the function. The power rule for differentiation states that if n is a real number and f(x) = x^n, then f'(x) = nx^{n-1}. Subtract the values 2 and -1.