Mathematics · Algebra
What is the value of (a + b + 2c)(a2 + b2 + 4c2 - ab - 2bc - 2ca)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1a3 + b3 + 8c3 - 6abc✓
- 2a3 - b3 - 8c3 - 3abc
- 3a3 + b3 + c3 - 6abc
- 4a3 - b3 - c3 - 6abc
Correct answer
a3 + b3 + 8c3 - 6abc
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