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-a^{2}-2a+3+3a^{2}-5-\left(-2a-2+2a^{2}\right)
To find the opposite of a^{2}+2a-3, find the opposite of each term.
2a^{2}-2a+3-5-\left(-2a-2+2a^{2}\right)
Combine -a^{2} and 3a^{2} to get 2a^{2}.
2a^{2}-2a-2-\left(-2a-2+2a^{2}\right)
Subtract 5 from 3 to get -2.
2a^{2}-2a-2+2a+2-2a^{2}
To find the opposite of -2a-2+2a^{2}, find the opposite of each term.
2a^{2}-2+2-2a^{2}
Combine -2a and 2a to get 0.
2a^{2}-2a^{2}
Add -2 and 2 to get 0.
0
Combine 2a^{2} and -2a^{2} to get 0.
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y = 3x + 4
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\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.
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\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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