Solve for a
a = -\frac{43}{3} = -14\frac{1}{3} \approx -14.333333333
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81+6a+8-3=0
Calculate 9 to the power of 2 and get 81.
89+6a-3=0
Add 81 and 8 to get 89.
86+6a=0
Subtract 3 from 89 to get 86.
6a=-86
Subtract 86 from both sides. Anything subtracted from zero gives its negation.
a=\frac{-86}{6}
Divide both sides by 6.
a=-\frac{43}{3}
Reduce the fraction \frac{-86}{6} to lowest terms by extracting and canceling out 2.
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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.
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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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