Evaluate
420
Factor
3\times 5\times 7\times 2^{2}
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\frac{42000}{2000}\times 20
Multiply 4.2 and 10000 to get 42000.
21\times 20
Divide 42000 by 2000 to get 21.
420
Multiply 21 and 20 to get 420.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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