Mathematics · Algebra
Write the expanded form of (5a + 7b + 3c)2.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 125a2 + 49b2 + 9c2 + 70ab + 42bc + 40ac
- 225a2 + 49b2 + 9c2 + 70ab + 37bc + 30ac
- 325a2 + 49b2 + 9c2 + 74ab + 42bc + 30ac
- 425a2 + 49b2 + 9c2 + 70ab + 42bc + 30ac✓
Correct answer
25a2 + 49b2 + 9c2 + 70ab + 42bc + 30ac
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