Evaluate
11
Factor
11
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12.65+2.35-4.5-\left(-0.5\right)
The opposite of -2.35 is 2.35.
15-4.5-\left(-0.5\right)
Add 12.65 and 2.35 to get 15.
10.5-\left(-0.5\right)
Subtract 4.5 from 15 to get 10.5.
10.5+0.5
The opposite of -0.5 is 0.5.
11
Add 10.5 and 0.5 to get 11.
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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]
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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