Multiple Choice

A machine shop apprentice is following a technical guide to solve the equation x(x+6)+4=0x(x + 6) + 4 = 0 to determine the curvature of a custom bracket. The guide states that before identifying coefficients for the Quadratic Formula, the apprentice must 'expand the terms on the left side.' Which mathematical property is the apprentice recalling and applying when they multiply xx by each term within the parentheses?

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Updated 2026-04-21

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