( x + 3 ) ( 2 x ^ { 2 } + 3 x - 1 ) - ( x - 2 ) ( ( x - 4 ) + 4
Evaluate
2x^{3}+8x^{2}+10x-3
Expand
2x^{3}+8x^{2}+10x-3
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2x^{3}+9x^{2}+8x-3-\left(x-2\right)\left(x-4+4\right)
Use the distributive property to multiply x+3 by 2x^{2}+3x-1 and combine like terms.
2x^{3}+9x^{2}+8x-3-\left(x-2\right)x
Add -4 and 4 to get 0.
2x^{3}+9x^{2}+8x-3-\left(x^{2}-2x\right)
Use the distributive property to multiply x-2 by x.
2x^{3}+9x^{2}+8x-3-x^{2}+2x
To find the opposite of x^{2}-2x, find the opposite of each term.
2x^{3}+8x^{2}+8x-3+2x
Combine 9x^{2} and -x^{2} to get 8x^{2}.
2x^{3}+8x^{2}+10x-3
Combine 8x and 2x to get 10x.
2x^{3}+9x^{2}+8x-3-\left(x-2\right)\left(x-4+4\right)
Use the distributive property to multiply x+3 by 2x^{2}+3x-1 and combine like terms.
2x^{3}+9x^{2}+8x-3-\left(x-2\right)x
Add -4 and 4 to get 0.
2x^{3}+9x^{2}+8x-3-\left(x^{2}-2x\right)
Use the distributive property to multiply x-2 by x.
2x^{3}+9x^{2}+8x-3-x^{2}+2x
To find the opposite of x^{2}-2x, find the opposite of each term.
2x^{3}+8x^{2}+8x-3+2x
Combine 9x^{2} and -x^{2} to get 8x^{2}.
2x^{3}+8x^{2}+10x-3
Combine 8x and 2x to get 10x.
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
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}