( 1,5 ) ^ { 2 } + 3 \cdot 1,5 + 2
Evaluate
8,75
Factor
\frac{5 \cdot 7}{2 ^ {2}} = 8\frac{3}{4} = 8.75
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2,25+3\times 1,5+2
Calculate 1,5 to the power of 2 and get 2,25.
2,25+4,5+2
Multiply 3 and 1,5 to get 4,5.
6,75+2
Add 2,25 and 4,5 to get 6,75.
8,75
Add 6,75 and 2 to get 8,75.
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}