Mathematics · Algebra
Express the expression below as a perfect square: a2 + 9b2 + c2 - 6ab + 6bc - 2ac
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(a - 3b + c)2
- 2(a - 3b - c)2✓
- 3(a + 3b + c)2
- 4(a - 3b - 2c)2
Correct answer
(a - 3b - c)2
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