2 \cdot ( 2,5 \cdot 2,5 + 2,5 \cdot 5 + 2,5 \cdot 5 )
Evaluate
62,5
Factor
\frac{5 ^ {3}}{2} = 62\frac{1}{2} = 62.5
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2\left(6,25+2,5\times 5+2,5\times 5\right)
Multiply 2,5 and 2,5 to get 6,25.
2\left(6,25+12,5+2,5\times 5\right)
Multiply 2,5 and 5 to get 12,5.
2\left(18,75+2,5\times 5\right)
Add 6,25 and 12,5 to get 18,75.
2\left(18,75+12,5\right)
Multiply 2,5 and 5 to get 12,5.
2\times 31,25
Add 18,75 and 12,5 to get 31,25.
62,5
Multiply 2 and 31,25 to get 62,5.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}