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\frac{3c}{2a}
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\frac{3c}{2a}
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\frac{c+d+2c-d}{2a}
Since \frac{c+d}{2a} and \frac{2c-d}{2a} have the same denominator, add them by adding their numerators.
\frac{3c}{2a}
Combine like terms in c+d+2c-d.
\frac{c+d+2c-d}{2a}
Since \frac{c+d}{2a} and \frac{2c-d}{2a} have the same denominator, add them by adding their numerators.
\frac{3c}{2a}
Combine like terms in c+d+2c-d.
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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}