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Step-by-step Solution
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Subtract the values $1$ and $-1$
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$derivdef\left(3\left(x+1\right)^2+x\right)$
Learn how to solve definition of derivative problems step by step online. Find the derivative of 3(x+1)^2+x+1+-1 using the definition. Subtract the values 1 and -1. A binomial squared (sum) is equal to the square of the first term, plus the double product of the first by the second, plus the square of the second term. In other words: (a+b)^2=a^2+2ab+b^2. Multiply the single term 3 by each term of the polynomial \left(x^2+2x+1\right). Combining like terms x and 6x.