Solve for x
x=-6
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2x+5=\frac{-21}{3}
Divide both sides by 3.
2x+5=-7
Divide -21 by 3 to get -7.
2x=-7-5
Subtract 5 from both sides.
2x=-12
Subtract 5 from -7 to get -12.
x=\frac{-12}{2}
Divide both sides by 2.
x=-6
Divide -12 by 2 to get -6.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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