Mathematics · Algebra
The expression x(z – x – y) + y(z – y – x) – z(x + y + z) is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1x2 + 2xy + z2 + y2
- 2–x2 – 2xy – z2 – y2✓
- 3x2 + 2xy – z2 – y2
- 4x2 – 2xy – z2 + y2
Correct answer
–x2 – 2xy – z2 – y2
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