Evaluate
-\left(5x-3\right)\left(x+1\right)
Expand
3-2x-5x^{2}
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5x\left(-x\right)-5x-3\left(-x\right)+3
Apply the distributive property by multiplying each term of 5x-3 by each term of -x-1.
5x\left(-x\right)-5x+3x+3
Multiply -3 and -1 to get 3.
5x\left(-x\right)-2x+3
Combine -5x and 3x to get -2x.
-5xx-2x+3
Multiply 5 and -1 to get -5.
-5x^{2}-2x+3
Multiply x and x to get x^{2}.
5x\left(-x\right)-5x-3\left(-x\right)+3
Apply the distributive property by multiplying each term of 5x-3 by each term of -x-1.
5x\left(-x\right)-5x+3x+3
Multiply -3 and -1 to get 3.
5x\left(-x\right)-2x+3
Combine -5x and 3x to get -2x.
-5xx-2x+3
Multiply 5 and -1 to get -5.
-5x^{2}-2x+3
Multiply x and x to get x^{2}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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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}