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13x^{2}-19
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13x^{2}-19
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4x^{2}-9+9x^{2}-10
To find the opposite of -9x^{2}+10, find the opposite of each term.
13x^{2}-9-10
Combine 4x^{2} and 9x^{2} to get 13x^{2}.
13x^{2}-19
Subtract 10 from -9 to get -19.
4x^{2}-9+9x^{2}-10
To find the opposite of -9x^{2}+10, find the opposite of each term.
13x^{2}-9-10
Combine 4x^{2} and 9x^{2} to get 13x^{2}.
13x^{2}-19
Subtract 10 from -9 to get -19.
Examples
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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
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Limits
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