Mathematics, 26.09.2021 03:00 summerjoiner

A friend asks you to check their homework. Did they make any mistakes? What advice would you give to your friend to avoid any possible errors? 1. 4(12s - 3d) + 5(6s + 8d)
2. 48s - 3d + 30s + 8d    by distributive property
3. (48s + 30s) + (-3d + 8d)   by associative property
4. 78s + 5d        by combining like terms

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