Evaluate
\frac{5\left(x-1\right)}{2}
Expand
\frac{5x-5}{2}
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\frac{5}{2}\left(-1+x\right)
Divide each term of 4x-4 by 4 to get -1+x.
\frac{5}{2}\left(-1\right)+\frac{5}{2}x
Use the distributive property to multiply \frac{5}{2} by -1+x.
-\frac{5}{2}+\frac{5}{2}x
Multiply \frac{5}{2} and -1 to get -\frac{5}{2}.
\frac{5}{2}\left(-1+x\right)
Divide each term of 4x-4 by 4 to get -1+x.
\frac{5}{2}\left(-1\right)+\frac{5}{2}x
Use the distributive property to multiply \frac{5}{2} by -1+x.
-\frac{5}{2}+\frac{5}{2}x
Multiply \frac{5}{2} and -1 to get -\frac{5}{2}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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]
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}