Short Answer

Combining Like Terms in Area Expansion

A small business owner is expanding a workspace with dimensions represented by the expression (x+3)(x + 3) and (x+7)(x + 7). After performing the distributive steps, the owner reaches the intermediate expression: x2+7x+3x+21x^2 + 7x + 3x + 21. Identify the two 'like terms' in this expression that must be added together, and state the resulting term after they are combined.

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Updated 2026-04-17

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