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Differentiate w.r.t. x
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\frac{\mathrm{d}}{\mathrm{d}x}(5x^{3}+2x^{2}+11-7x)
Add 1 and 10 to get 11.
3\times 5x^{3-1}+2\times 2x^{2-1}-7x^{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}.
15x^{3-1}+2\times 2x^{2-1}-7x^{1-1}
Multiply 3 times 5.
15x^{2}+2\times 2x^{2-1}-7x^{1-1}
Subtract 1 from 3.
15x^{2}+4x^{2-1}-7x^{1-1}
Multiply 2 times 2.
15x^{2}+4x^{1}-7x^{1-1}
Subtract 1 from 2.
15x^{2}+4x^{1}-7x^{0}
Subtract 1 from 1.
15x^{2}+4x-7x^{0}
For any term t, t^{1}=t.
15x^{2}+4x-7
For any term t except 0, t^{0}=1.
5x^{3}+2x^{2}+11-7x
Add 1 and 10 to get 11.