Evaluate
7x
Differentiate w.r.t. x
7
Graph
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2x+2+2x+x-2+x+x
Add -3 and 5 to get 2.
4x+2+x-2+x+x
Combine 2x and 2x to get 4x.
5x+2-2+x+x
Combine 4x and x to get 5x.
5x+x+x
Subtract 2 from 2 to get 0.
6x+x
Combine 5x and x to get 6x.
7x
Combine 6x and x to get 7x.
\frac{\mathrm{d}}{\mathrm{d}x}(2x+2+2x+x-2+x+x)
Add -3 and 5 to get 2.
\frac{\mathrm{d}}{\mathrm{d}x}(4x+2+x-2+x+x)
Combine 2x and 2x to get 4x.
\frac{\mathrm{d}}{\mathrm{d}x}(5x+2-2+x+x)
Combine 4x and x to get 5x.
\frac{\mathrm{d}}{\mathrm{d}x}(5x+x+x)
Subtract 2 from 2 to get 0.
\frac{\mathrm{d}}{\mathrm{d}x}(6x+x)
Combine 5x and x to get 6x.
\frac{\mathrm{d}}{\mathrm{d}x}(7x)
Combine 6x and x to get 7x.
7x^{1-1}
The derivative of ax^{n} is nax^{n-1}.
7x^{0}
Subtract 1 from 1.
7\times 1
For any term t except 0, t^{0}=1.
7
For any term t, t\times 1=t and 1t=t.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}