Final Answer
Step-by-step Solution
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Apply the product rule for differentiation: $(f\cdot g)'=f'\cdot g+f\cdot g'$, where $f=y+3$ and $g=y-3$
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$\frac{d}{dy}\left(y+3\right)\left(y-3\right)+\left(y+3\right)\frac{d}{dy}\left(y-3\right)$
Learn how to solve differential calculus problems step by step online. Find the derivative of (y+3)(y-3). Apply the product rule for differentiation: (f\cdot g)'=f'\cdot g+f\cdot g', where f=y+3 and g=y-3. The derivative of a sum of two or more functions is the sum of the derivatives of each function. The derivative of a sum of two or more functions is the sum of the derivatives of each function. The derivative of the constant function (3) is equal to zero.