Solve for x
x=2
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7x-\left(-6\right)-20=0
Multiply 2 and -3 to get -6.
7x+6-20=0
The opposite of -6 is 6.
7x-14=0
Subtract 20 from 6 to get -14.
7x=14
Add 14 to both sides. Anything plus zero gives itself.
x=\frac{14}{7}
Divide both sides by 7.
x=2
Divide 14 by 7 to get 2.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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