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-51\left(8\times 4+1\right)+68\left(5\times 3+2\right)=-12\left(2\times 17+7\right)
Multiply both sides of the equation by 204, the least common multiple of 4,3,17.
-51\left(32+1\right)+68\left(5\times 3+2\right)=-12\left(2\times 17+7\right)
Multiply 8 and 4 to get 32.
-51\times 33+68\left(5\times 3+2\right)=-12\left(2\times 17+7\right)
Add 32 and 1 to get 33.
-1683+68\left(5\times 3+2\right)=-12\left(2\times 17+7\right)
Multiply -51 and 33 to get -1683.
-1683+68\left(15+2\right)=-12\left(2\times 17+7\right)
Multiply 5 and 3 to get 15.
-1683+68\times 17=-12\left(2\times 17+7\right)
Add 15 and 2 to get 17.
-1683+1156=-12\left(2\times 17+7\right)
Multiply 68 and 17 to get 1156.
-527=-12\left(2\times 17+7\right)
Add -1683 and 1156 to get -527.
-527=-12\left(34+7\right)
Multiply 2 and 17 to get 34.
-527=-12\times 41
Add 34 and 7 to get 41.
-527=-492
Multiply -12 and 41 to get -492.
\text{false}
Compare -527 and -492.
Examples
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{ 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}