Evaluate
\frac{3\left(\lambda +2\right)}{2}
Expand
\frac{3\lambda }{2}+3
Quiz
Arithmetic
5 problems similar to:
\frac { \lambda } { 2 } + 2 + 4 ( \frac { \lambda } { 4 } + 1 ) - 3
Share
Copied to clipboard
\frac{\lambda }{2}+2+4\left(\frac{\lambda }{4}+\frac{4}{4}\right)-3
To add or subtract expressions, expand them to make their denominators the same. Multiply 1 times \frac{4}{4}.
\frac{\lambda }{2}+2+4\times \frac{\lambda +4}{4}-3
Since \frac{\lambda }{4} and \frac{4}{4} have the same denominator, add them by adding their numerators.
\frac{\lambda }{2}+2+\lambda +4-3
Cancel out 4 and 4.
\frac{3}{2}\lambda +2+4-3
Combine \frac{\lambda }{2} and \lambda to get \frac{3}{2}\lambda .
\frac{3}{2}\lambda +6-3
Add 2 and 4 to get 6.
\frac{3}{2}\lambda +3
Subtract 3 from 6 to get 3.
\frac{\lambda }{2}+2+4\left(\frac{\lambda }{4}+\frac{4}{4}\right)-3
To add or subtract expressions, expand them to make their denominators the same. Multiply 1 times \frac{4}{4}.
\frac{\lambda }{2}+2+4\times \frac{\lambda +4}{4}-3
Since \frac{\lambda }{4} and \frac{4}{4} have the same denominator, add them by adding their numerators.
\frac{\lambda }{2}+2+\lambda +4-3
Cancel out 4 and 4.
\frac{3}{2}\lambda +2+4-3
Combine \frac{\lambda }{2} and \lambda to get \frac{3}{2}\lambda .
\frac{3}{2}\lambda +6-3
Add 2 and 4 to get 6.
\frac{3}{2}\lambda +3
Subtract 3 from 6 to get 3.
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}