Evaluate
x^{2}+\frac{11x}{2}+\frac{15}{2}
Expand
x^{2}+\frac{11x}{2}+\frac{15}{2}
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\frac{2x^{2}+5x+6x+15}{2}
Apply the distributive property by multiplying each term of x+3 by each term of 2x+5.
\frac{2x^{2}+11x+15}{2}
Combine 5x and 6x to get 11x.
\frac{2x^{2}+5x+6x+15}{2}
Apply the distributive property by multiplying each term of x+3 by each term of 2x+5.
\frac{2x^{2}+11x+15}{2}
Combine 5x and 6x to get 11x.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
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Limits
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