6,4 + ( 0,5 \cdot ( - 3 ) ) ^ { 2 }
Evaluate
8,65
Factor
\frac{173}{5 \cdot 2 ^ {2}} = 8\frac{13}{20} = 8.65
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6,4+\left(-1,5\right)^{2}
Multiply 0,5 and -3 to get -1,5.
6,4+2,25
Calculate -1,5 to the power of 2 and get 2,25.
8,65
Add 6,4 and 2,25 to get 8,65.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
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Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}