Evaluate
22
Factor
2\times 11
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6x^{2}+4x+9x+6-6x\left(x+3\right)+5x+16
Apply the distributive property by multiplying each term of 2x+3 by each term of 3x+2.
6x^{2}+13x+6-6x\left(x+3\right)+5x+16
Combine 4x and 9x to get 13x.
6x^{2}+13x+6-6x^{2}-18x+5x+16
Use the distributive property to multiply -6x by x+3.
13x+6-18x+5x+16
Combine 6x^{2} and -6x^{2} to get 0.
-5x+6+5x+16
Combine 13x and -18x to get -5x.
6+16
Combine -5x and 5x to get 0.
22
Add 6 and 16 to get 22.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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Matrix
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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}