Solve for x
x=-4
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-2x-9-x=3
Subtract x from both sides.
-3x-9=3
Combine -2x and -x to get -3x.
-3x=3+9
Add 9 to both sides.
-3x=12
Add 3 and 9 to get 12.
x=\frac{12}{-3}
Divide both sides by -3.
x=-4
Divide 12 by -3 to get -4.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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