Evaluate
2\left(a+1\right)\left(n+a\right)
Expand
2an+2n+2a^{2}+2a
Quiz
Algebra
5 problems similar to:
\frac { 2 ( a + n ) } { a + h + 1 } \times ( a + h + 1 ) ( a + 1 )
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\frac{2a+2n}{a+h+1}\left(a+h+1\right)\left(a+1\right)
Use the distributive property to multiply 2 by a+n.
\left(2a+2n\right)\left(a+1\right)
Cancel out a+h+1 and a+h+1.
2a^{2}+2a+2na+2n
Apply the distributive property by multiplying each term of 2a+2n by each term of a+1.
\frac{2a+2n}{a+h+1}\left(a+h+1\right)\left(a+1\right)
Use the distributive property to multiply 2 by a+n.
\left(2a+2n\right)\left(a+1\right)
Cancel out a+h+1 and a+h+1.
2a^{2}+2a+2na+2n
Apply the distributive property by multiplying each term of 2a+2n by each term of a+1.
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}