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Subtract the values $2$ and $-5$
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$derivdef\left(-3+5x+4x\right)$
Learn how to solve problems step by step online. Find the derivative of 2+5x+-54x using the definition. Subtract the values 2 and -5. Combining like terms 5x and 4x. Find the derivative of -3+9x 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 -3+9x. Substituting f(x+h) and f(x) on the limit, we get. Multiply the single term 9 by each term of the polynomial \left(x+h\right).