Question 1143788
.
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    {{{graph( 330, 330, -5, 5, -5, 5,
          6x - 2x^3, 4
)}}}


    Plot y = {{{6x - 2x^3}}} (red)  and  y = 4 (green)



This area is the definite integral from -2 to 1 of the function y = 4 - (6x - 2x^3) = 2x^3 - 6x + 4.
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