Mathematics · Algebra
The expression (x + y + z)2 - (x2 + y2 + z2) is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12(xy + yz + zx)✓
- 2xy + yz + zx
- 30
- 4x + y + z
Correct answer
2(xy + yz + zx)
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