Evaluate
131
Factor
131
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3\times 7^{2}-4\left(6-4\right)^{2}
Add 4 and 3 to get 7.
3\times 49-4\left(6-4\right)^{2}
Calculate 7 to the power of 2 and get 49.
147-4\left(6-4\right)^{2}
Multiply 3 and 49 to get 147.
147-4\times 2^{2}
Subtract 4 from 6 to get 2.
147-4\times 4
Calculate 2 to the power of 2 and get 4.
147-16
Multiply 4 and 4 to get 16.
131
Subtract 16 from 147 to get 131.
Examples
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Matrix
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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
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