Mathematics · Algebra
What is the expanded form of (6a + 2b + 7c)2?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 136a2 + 4b2 + 49c2 + 24ab + 23bc + 84ac
- 236a2 + 4b2 + 49c2 + 24ab + 28bc + 94ac
- 336a2 + 4b2 + 49c2 + 24ab + 28bc + 84ac✓
- 436a2 + 4b2 + 49c2 + 28ab + 28bc + 84ac
Correct answer
36a2 + 4b2 + 49c2 + 24ab + 28bc + 84ac
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