Solve for x
x=3
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6x-9-3x=0
Subtract 3x from both sides.
3x-9=0
Combine 6x and -3x to get 3x.
3x=9
Add 9 to both sides. Anything plus zero gives itself.
x=\frac{9}{3}
Divide both sides by 3.
x=3
Divide 9 by 3 to get 3.
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Matrix
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Simultaneous equation
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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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