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Learn how to solve product rule of differentiation problems step by step online. Find the derivative using the product rule (2(x-7)/(x+2)(x+2-(x-7)))/((x+2)^2). Simplifying. Multiply 2 times 9. Simplify the derivative.
Final answer to the problem
$\frac{18x-126}{\left(x+2\right)^{3}}$
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