Differentiate w.r.t. x
-28x^{6}
Evaluate
-4x^{7}
Graph
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\frac{\mathrm{d}}{\mathrm{d}x}(-4x^{7})
Combine 5x^{7} and -9x^{7} to get -4x^{7}.
7\left(-4\right)x^{7-1}
The derivative of ax^{n} is nax^{n-1}.
-28x^{7-1}
Multiply 7 times -4.
-28x^{6}
Subtract 1 from 7.
-4x^{7}
Combine 5x^{7} and -9x^{7} to get -4x^{7}.
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