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- LônLv 710 months ago
(a + b) (c + d)

= a (c + d) + b(c + d)

= ac + ad + bc + bd.

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Relevance

- LônLv 710 months ago
(a + b) (c + d)

= a (c + d) + b(c + d)

= ac + ad + bc + bd.

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Still have questions? Get answers by asking now.