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2a^{2}-6a+9
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2a^{2}-6a+9
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a+3+\left(a-2\right)\left(2a-4+1\right)
Combine a and a to get 2a.
a+3+\left(a-2\right)\left(2a-3\right)
Add -4 and 1 to get -3.
a+3+2a^{2}-3a-4a+6
Apply the distributive property by multiplying each term of a-2 by each term of 2a-3.
a+3+2a^{2}-7a+6
Combine -3a and -4a to get -7a.
-6a+3+2a^{2}+6
Combine a and -7a to get -6a.
-6a+9+2a^{2}
Add 3 and 6 to get 9.
a+3+\left(a-2\right)\left(2a-4+1\right)
Combine a and a to get 2a.
a+3+\left(a-2\right)\left(2a-3\right)
Add -4 and 1 to get -3.
a+3+2a^{2}-3a-4a+6
Apply the distributive property by multiplying each term of a-2 by each term of 2a-3.
a+3+2a^{2}-7a+6
Combine -3a and -4a to get -7a.
-6a+3+2a^{2}+6
Combine a and -7a to get -6a.
-6a+9+2a^{2}
Add 3 and 6 to get 9.
Examples
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{ 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}