Question: In Problems 712, use ZERO (or ROOT) to approximate the positive x-intercepts of each equation. Express each answer rounded to two decimal places. y =

In Problems 7–12, use ZERO (or ROOT) to approximate the positive x-intercepts of each equation. Express each answer rounded to two decimal places. 

y = x3 + 3.2x2 - 16.83x - 5.31

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