Mathematics · Algebraic Expressions
The expression 2x2 - xy - 3y2 + yz + zxx2 - y2 is equal to:
- 1(x + y)(2x + 3y - z)
- 22x + 3y - zx + y
- 32x - 3y + zx - y✓
- 4(x - y)(2x - 3y + z)
Correct answer
2x - 3y + zx - y
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