4x cube - 3x square +2x-4 divide by x+½
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Answer:
-25/4
Step-by-step explanation:
x+1/2=0
x = -1/2
4x^3 -3x^2 + 2x -4
=4 (-1/2)^3 -3 (-1/2)^2 +2 (-1/2) -4
= - 4×1/8 - 3 × 1/4 -2×1/2 -4
= - 1/2 -3/4 -1 -4
= (-2-3-4-16)/4
= -25/4
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