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OpenStudy (anonymous):
Which property justifies this step in simplifying an expression, 5x2 + x2 + 2x + 4 = (5x2 + x2) + 2x + 4? The associative property The inverse property The commutative property The distributive property
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OpenStudy (anonymous):
the associative property
OpenStudy (anonymous):
because you are finding like items and combineing them
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