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Multiply the single term $-2$ by each term of the polynomial $\left(x+2\right)$
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$derivdef\left(x-2x-4\right)$
Learn how to solve definition of derivative problems step by step online. Find the derivative of x-2(x+2) using the definition. Multiply the single term -2 by each term of the polynomial \left(x+2\right). Combining like terms x and -2x. Find the derivative of -x-4 using the definition. Apply the definition of the derivative: \displaystyle f'(x)=\lim_{h\to0}\frac{f(x+h)-f(x)}{h}. The function f(x) is the function we want to differentiate, which is -x-4. Substituting f(x+h) and f(x) on the limit, we get. Multiply the single term -1 by each term of the polynomial \left(x+h\right).