Evaluate
1998
Factor
2\times 3^{3}\times 37
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\left(-45\right)^{2}-\left(-6\right)^{2}+3^{2}
Subtract 20 from -25 to get -45.
2025-\left(-6\right)^{2}+3^{2}
Calculate -45 to the power of 2 and get 2025.
2025-36+3^{2}
Calculate -6 to the power of 2 and get 36.
1989+3^{2}
Subtract 36 from 2025 to get 1989.
1989+9
Calculate 3 to the power of 2 and get 9.
1998
Add 1989 and 9 to get 1998.
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}