Algebra-1

Step 1: Distribute the parentheses.
(7x² − 4xy + 3y²) + (2x² + 6xy - 5y²) is the same as 7x² − 4xy + 3y² + 2x² + 6xy - 5y².

Step 2: Combine like terms.
Combine the terms with x²: 7x² + 2x² = 9x².

Combine the terms with xy: -4xy + 6xy = 2xy.

Combine the terms with y

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