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-1.3
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-1.3
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-\frac{25+2}{5}-\left(-2.25\right)-\left(-\frac{2\times 5+3}{5}\right)-\frac{3}{4}
Multiply 5 and 5 to get 25.
-\frac{27}{5}-\left(-2.25\right)-\left(-\frac{2\times 5+3}{5}\right)-\frac{3}{4}
Add 25 and 2 to get 27.
-\frac{27}{5}+2.25-\left(-\frac{2\times 5+3}{5}\right)-\frac{3}{4}
The opposite of -2.25 is 2.25.
-\frac{27}{5}+\frac{9}{4}-\left(-\frac{2\times 5+3}{5}\right)-\frac{3}{4}
Convert decimal number 2.25 to fraction \frac{225}{100}. Reduce the fraction \frac{225}{100} to lowest terms by extracting and canceling out 25.
-\frac{108}{20}+\frac{45}{20}-\left(-\frac{2\times 5+3}{5}\right)-\frac{3}{4}
Least common multiple of 5 and 4 is 20. Convert -\frac{27}{5} and \frac{9}{4} to fractions with denominator 20.
\frac{-108+45}{20}-\left(-\frac{2\times 5+3}{5}\right)-\frac{3}{4}
Since -\frac{108}{20} and \frac{45}{20} have the same denominator, add them by adding their numerators.
-\frac{63}{20}-\left(-\frac{2\times 5+3}{5}\right)-\frac{3}{4}
Add -108 and 45 to get -63.
-\frac{63}{20}-\left(-\frac{10+3}{5}\right)-\frac{3}{4}
Multiply 2 and 5 to get 10.
-\frac{63}{20}-\left(-\frac{13}{5}\right)-\frac{3}{4}
Add 10 and 3 to get 13.
-\frac{63}{20}+\frac{13}{5}-\frac{3}{4}
The opposite of -\frac{13}{5} is \frac{13}{5}.
-\frac{63}{20}+\frac{52}{20}-\frac{3}{4}
Least common multiple of 20 and 5 is 20. Convert -\frac{63}{20} and \frac{13}{5} to fractions with denominator 20.
\frac{-63+52}{20}-\frac{3}{4}
Since -\frac{63}{20} and \frac{52}{20} have the same denominator, add them by adding their numerators.
-\frac{11}{20}-\frac{3}{4}
Add -63 and 52 to get -11.
-\frac{11}{20}-\frac{15}{20}
Least common multiple of 20 and 4 is 20. Convert -\frac{11}{20} and \frac{3}{4} to fractions with denominator 20.
\frac{-11-15}{20}
Since -\frac{11}{20} and \frac{15}{20} have the same denominator, subtract them by subtracting their numerators.
\frac{-26}{20}
Subtract 15 from -11 to get -26.
-\frac{13}{10}
Reduce the fraction \frac{-26}{20} to lowest terms by extracting and canceling out 2.
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}