Evaluate
68
Factor
2^{2}\times 17
Quiz
Arithmetic
5 problems similar to:
75 + 4 \times 15 + 9 \times 36 - 16 \times 4 - 127 - 10 \times 20
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75+60+324-16\times 4-127-10\times 20
Multiply 4 and 15 to get 60. Multiply 9 and 36 to get 324.
135+324-16\times 4-127-10\times 20
Add 75 and 60 to get 135.
459-16\times 4-127-10\times 20
Add 135 and 324 to get 459.
459-64-127-10\times 20
Multiply 16 and 4 to get 64.
395-127-10\times 20
Subtract 64 from 459 to get 395.
268-10\times 20
Subtract 127 from 395 to get 268.
268-200
Multiply 10 and 20 to get 200.
68
Subtract 200 from 268 to get 68.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
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}