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y^{2}-4
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9y^{2}-6y+3-8y^{2}+6y-7
To find the opposite of 8y^{2}-6y+7, find the opposite of each term.
y^{2}-6y+3+6y-7
Combine 9y^{2} and -8y^{2} to get y^{2}.
y^{2}+3-7
Combine -6y and 6y to get 0.
y^{2}-4
Subtract 7 from 3 to get -4.
9y^{2}-6y+3-8y^{2}+6y-7
To find the opposite of 8y^{2}-6y+7, find the opposite of each term.
y^{2}-6y+3+6y-7
Combine 9y^{2} and -8y^{2} to get y^{2}.
y^{2}+3-7
Combine -6y and 6y to get 0.
y^{2}-4
Subtract 7 from 3 to get -4.
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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
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Limits
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