Evaluate
2\left(y^{2}-2\right)
Expand
2y^{2}-4
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4y^{2}+2xy-8-2y^{2}-2xy+4
To find the opposite of 2y^{2}+2xy-4, find the opposite of each term.
2y^{2}+2xy-8-2xy+4
Combine 4y^{2} and -2y^{2} to get 2y^{2}.
2y^{2}-8+4
Combine 2xy and -2xy to get 0.
2y^{2}-4
Add -8 and 4 to get -4.
4y^{2}+2xy-8-2y^{2}-2xy+4
To find the opposite of 2y^{2}+2xy-4, find the opposite of each term.
2y^{2}+2xy-8-2xy+4
Combine 4y^{2} and -2y^{2} to get 2y^{2}.
2y^{2}-8+4
Combine 2xy and -2xy to get 0.
2y^{2}-4
Add -8 and 4 to get -4.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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