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3x^{2}+13x+6
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3x^{2}+13x+6
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4x^{2}+7x+5-x^{2}+6x+1
To find the opposite of x^{2}-6x-1, find the opposite of each term.
3x^{2}+7x+5+6x+1
Combine 4x^{2} and -x^{2} to get 3x^{2}.
3x^{2}+13x+5+1
Combine 7x and 6x to get 13x.
3x^{2}+13x+6
Add 5 and 1 to get 6.
4x^{2}+7x+5-x^{2}+6x+1
To find the opposite of x^{2}-6x-1, find the opposite of each term.
3x^{2}+7x+5+6x+1
Combine 4x^{2} and -x^{2} to get 3x^{2}.
3x^{2}+13x+5+1
Combine 7x and 6x to get 13x.
3x^{2}+13x+6
Add 5 and 1 to get 6.
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y = 3x + 4
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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
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