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\frac{x}{2}+2
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\frac{x}{2}+2
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\frac{1}{2}x+\frac{1}{2}\times 4
Use the distributive property to multiply \frac{1}{2} by x+4.
\frac{1}{2}x+\frac{4}{2}
Multiply \frac{1}{2} and 4 to get \frac{4}{2}.
\frac{1}{2}x+2
Divide 4 by 2 to get 2.
\frac{1}{2}x+\frac{1}{2}\times 4
Use the distributive property to multiply \frac{1}{2} by x+4.
\frac{1}{2}x+\frac{4}{2}
Multiply \frac{1}{2} and 4 to get \frac{4}{2}.
\frac{1}{2}x+2
Divide 4 by 2 to get 2.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
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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
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