Question 1073512
"Estimate"?


{{{dg/dx=3x^2+12x+6}}}


{{{3x^2+12x+6=0}}}


{{{x^2+4x+2=0}}}


roots {{{(-4+- sqrt(16-4*2))/2}}}
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The extreme values of g(x) will occur at the roots of this quadratic equation: for x values  {{{-2-sqrt(2)}}} and {{{-2+sqrt(2)}}}.



{{{graph(300,300,-6,3,-6,6,x^3+6x^2+6x-4)}}}