Solve for x
x=12
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-4=-x+8
Combine x and -2x to get -x.
-x+8=-4
Swap sides so that all variable terms are on the left hand side.
-x=-4-8
Subtract 8 from both sides.
-x=-12
Subtract 8 from -4 to get -12.
x=12
Multiply both sides by -1.
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Matrix
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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