Solve 1-91+x-25

$$1 - 91 + x - 25$$

Evaluate

$$x-115$$

Solution Steps

Subtract 91 from 1 to get -90.

$$-90+x-25$$

Subtract 25 from -90 to get -115.

$$-115+x$$

Differentiate w.r.t. x

$$1$$

Steps Using Derivative Rule for Sum

Subtract 91 from 1 to get -90.

$$\frac{\mathrm{d}}{\mathrm{d}x}(-90+x-25)$$

Subtract 25 from -90 to get -115.

$$\frac{\mathrm{d}}{\mathrm{d}x}(-115+x)$$

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}.

$$x^{1-1}$$

Subtract 1 from 1.

$$x^{0}$$

For any term t except 0, t^{0}=1.

$$1$$