Like terms are grouped and combined.
For example: (xy + 2x² + 4x + y) + (x² – 6x + 2y – xy) simplifies to:
2x² + x² + 4x – 6x + y + 2y + xy – xy
= 3x² – 2x + 3y
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Algebra
Like terms are grouped and combined.
For example: (xy + 2x² + 4x + y) + (x² – 6x + 2y – xy) simplifies to:
2x² + x² + 4x – 6x + y + 2y + xy – xy
= 3x² – 2x + 3y