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a^{2}-3a-13
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a^{2}-3a-13
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1-a^{2}-2a\left(2-a\right)-14+a
Multiply -1 and 2 to get -2.
1-a^{2}-4a+2a^{2}-14+a
Use the distributive property to multiply -2a by 2-a.
1+a^{2}-4a-14+a
Combine -a^{2} and 2a^{2} to get a^{2}.
-13+a^{2}-4a+a
Subtract 14 from 1 to get -13.
-13+a^{2}-3a
Combine -4a and a to get -3a.
1-a^{2}-2a\left(2-a\right)-14+a
Multiply -1 and 2 to get -2.
1-a^{2}-4a+2a^{2}-14+a
Use the distributive property to multiply -2a by 2-a.
1+a^{2}-4a-14+a
Combine -a^{2} and 2a^{2} to get a^{2}.
-13+a^{2}-4a+a
Subtract 14 from 1 to get -13.
-13+a^{2}-3a
Combine -4a and a to get -3a.
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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