25 \cdot 2,5 - 5 \cdot 2,5 ^ { 2 }
Evaluate
-187,5
Factor
-187,5
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25\times 2,5-5^{3}\times 2
To multiply powers of the same base, add their exponents. Add 1 and 2 to get 3.
62,5-5^{3}\times 2
Multiply 25 and 2,5 to get 62,5.
62,5-125\times 2
Calculate 5 to the power of 3 and get 125.
62,5-250
Multiply 125 and 2 to get 250.
-187,5
Subtract 250 from 62,5 to get -187,5.
Examples
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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
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Limits
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