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-15x^{2}-2x-9
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-15x^{2}-2x-9
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-6x^{2}-6x-1-9x^{2}+4x-8
To find the opposite of 9x^{2}-4x+8, find the opposite of each term.
-15x^{2}-6x-1+4x-8
Combine -6x^{2} and -9x^{2} to get -15x^{2}.
-15x^{2}-2x-1-8
Combine -6x and 4x to get -2x.
-15x^{2}-2x-9
Subtract 8 from -1 to get -9.
-6x^{2}-6x-1-9x^{2}+4x-8
To find the opposite of 9x^{2}-4x+8, find the opposite of each term.
-15x^{2}-6x-1+4x-8
Combine -6x^{2} and -9x^{2} to get -15x^{2}.
-15x^{2}-2x-1-8
Combine -6x and 4x to get -2x.
-15x^{2}-2x-9
Subtract 8 from -1 to get -9.
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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.
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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