What is the derivative of 7-x-x^2 ?

The derivative of 7-x-x^2 is -2x-1

What is the first derivative of 7-x-x^2 ?

The first derivative of 7-x-x^2 is -2x-1

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derivative of

7 - x - x^{2}

- 2 x - 1

Solution steps

\frac{d}{d x} (7 - x - x^{2})

Apply the Sum/Difference Rule:

(f \pm g)^{'} = f^{'} \pm g^{'}

= \frac{d}{d x} (7) - \frac{d x}{d x} - \frac{d}{d x} (x^{2})

\frac{d}{d x} (7) = 0

\frac{d x}{d x} = 1

\frac{d}{d x} (x^{2}) = 2 x

= 0 - 1 - 2 x

Simplify

= - 2 x - 1

\frac{d}{d x} (\frac{x}{5 + x ^{2}})

y^{^{''}} + 9 y = 4 tan (3 x)

y = ln^{2} (x + 3)

\frac{\partial}{\partial x} (e^{x^{2} y})

2 y^{^{''}} + 12 y^{^{'}} + 50 y = 0, y (0) = 0, y^{^{'}} (0) = - 8

What is the derivative of 7-x-x^2 ?
The derivative of 7-x-x^2 is -2x-1
What is the first derivative of 7-x-x^2 ?
The first derivative of 7-x-x^2 is -2x-1