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(2*(3*x+4)-(3*(-x)))'The calculation above is a derivative of the function f (x)
(2*(3*x+4))'+(-(3*(-x)))'
(2)'*(3*x+4)+2*(3*x+4)'+(-(3*(-x)))'
0*(3*x+4)+2*(3*x+4)'+(-(3*(-x)))'
0*(3*x+4)+2*((3*x)'+(4)')+(-(3*(-x)))'
0*(3*x+4)+2*(3*(x)'+(3)'*x+(4)')+(-(3*(-x)))'
0*(3*x+4)+2*(3*(x)'+0*x+(4)')+(-(3*(-x)))'
0*(3*x+4)+2*(0*x+3*1+(4)')+(-(3*(-x)))'
0*(3*x+4)+(-(3*(-x)))'+2*(0+3)
0*(3*x+4)+(-(3*(-x)))'+2*3
3*(-x)'+(3)'*(-x)+6
3*(-x)'+0*(-x)+6
0*(-x)+3*(-1)+6
9
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