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2+13x-3x^{2}
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2+13x-3x^{2}
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-5x^{2}+9x+3+2x^{2}+4x-1
To find the opposite of -2x^{2}-4x+1, find the opposite of each term.
-3x^{2}+9x+3+4x-1
Combine -5x^{2} and 2x^{2} to get -3x^{2}.
-3x^{2}+13x+3-1
Combine 9x and 4x to get 13x.
-3x^{2}+13x+2
Subtract 1 from 3 to get 2.
-5x^{2}+9x+3+2x^{2}+4x-1
To find the opposite of -2x^{2}-4x+1, find the opposite of each term.
-3x^{2}+9x+3+4x-1
Combine -5x^{2} and 2x^{2} to get -3x^{2}.
-3x^{2}+13x+3-1
Combine 9x and 4x to get 13x.
-3x^{2}+13x+2
Subtract 1 from 3 to get 2.
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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
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