Question 662443
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Hi,
v = 2(x+2)(x-1)(x-4)  || Take it a step at a time
v = 2(x^2 +x -2)(x-4)
v= (2x-8)(x^2+x-2) = 2x^3 + 2x^2 - 4x -8x^2-8x+16 = 2x^3 -6x^2-12x+16