15 : 0,75 / 2 =
Evaluate
40
Factor
5\times 2^{3}
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\frac{15\times 2}{0,75}
Divide 15 by \frac{0,75}{2} by multiplying 15 by the reciprocal of \frac{0,75}{2}.
\frac{30}{0,75}
Multiply 15 and 2 to get 30.
\frac{3000}{75}
Expand \frac{30}{0,75} by multiplying both numerator and the denominator by 100.
40
Divide 3000 by 75 to get 40.
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
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}