7 - 8,4 \cdot 0,1 + 3 \cdot ( - 4 \cdot 0,25 + 3 ^ { 2 } ) + 4,1 + 2
Evaluate
36,26
Factor
\frac{37 \cdot 7 ^ {2}}{2 \cdot 5 ^ {2}} = 36\frac{13}{50} = 36.26
Share
Copied to clipboard
7-0,84+3\left(-4\times 0,25+3^{2}\right)+4,1+2
Multiply 8,4 and 0,1 to get 0,84.
6,16+3\left(-4\times 0,25+3^{2}\right)+4,1+2
Subtract 0,84 from 7 to get 6,16.
6,16+3\left(-1+3^{2}\right)+4,1+2
Multiply -4 and 0,25 to get -1.
6,16+3\left(-1+9\right)+4,1+2
Calculate 3 to the power of 2 and get 9.
6,16+3\times 8+4,1+2
Add -1 and 9 to get 8.
6,16+24+4,1+2
Multiply 3 and 8 to get 24.
30,16+4,1+2
Add 6,16 and 24 to get 30,16.
34,26+2
Add 30,16 and 4,1 to get 34,26.
36,26
Add 34,26 and 2 to get 36,26.
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}