Differentiate w.r.t. x
-17
Evaluate
56-17x
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\frac{\mathrm{d}}{\mathrm{d}x}(56-17x)
Combine -18x and x to get -17x.
-17x^{1-1}
The derivative of a polynomial is the sum of the derivatives of its terms. The derivative of a constant term is 0. The derivative of ax^{n} is nax^{n-1}.
-17x^{0}
Subtract 1 from 1.
-17
For any term t except 0, t^{0}=1.
56-17x
Combine -18x and x to get -17x.
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