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4-7.

Write the area of the rectangle below as a sum and as a product. Homework Help ✎

Identify the greatest common factor in each row.

Identify the greatest common factor in each column. Watch your signs.

As a product area = (2x − 1)(x + 3y − 5)
As a sum area = 2x² − 11x + 6xy − 3y + 5