Evaluate
129
Factor
3\times 43
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\left(-9\right)^{2}\times 0.5+\left(60-59\right)^{2}\times 0.3+\left(80-59\right)^{2}\times 0.2
Subtract 59 from 50 to get -9.
81\times 0.5+\left(60-59\right)^{2}\times 0.3+\left(80-59\right)^{2}\times 0.2
Calculate -9 to the power of 2 and get 81.
40.5+\left(60-59\right)^{2}\times 0.3+\left(80-59\right)^{2}\times 0.2
Multiply 81 and 0.5 to get 40.5.
40.5+1^{2}\times 0.3+\left(80-59\right)^{2}\times 0.2
Subtract 59 from 60 to get 1.
40.5+1\times 0.3+\left(80-59\right)^{2}\times 0.2
Calculate 1 to the power of 2 and get 1.
40.5+0.3+\left(80-59\right)^{2}\times 0.2
Multiply 1 and 0.3 to get 0.3.
40.8+\left(80-59\right)^{2}\times 0.2
Add 40.5 and 0.3 to get 40.8.
40.8+21^{2}\times 0.2
Subtract 59 from 80 to get 21.
40.8+441\times 0.2
Calculate 21 to the power of 2 and get 441.
40.8+88.2
Multiply 441 and 0.2 to get 88.2.
129
Add 40.8 and 88.2 to get 129.
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}