Evaluate
3x-900+\frac{120}{x}
Factor
\frac{3\left(x-\left(150-2\sqrt{5615}\right)\right)\left(x-\left(2\sqrt{5615}+150\right)\right)}{x}
Graph
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\frac{\left(3x-900\right)x}{x}+\frac{120}{x}
To add or subtract expressions, expand them to make their denominators the same. Multiply 3x-900 times \frac{x}{x}.
\frac{\left(3x-900\right)x+120}{x}
Since \frac{\left(3x-900\right)x}{x} and \frac{120}{x} have the same denominator, add them by adding their numerators.
\frac{3x^{2}-900x+120}{x}
Do the multiplications in \left(3x-900\right)x+120.
Examples
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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