Length of the South field
L = (5x + 2) + (x² - 9) + (x² - 7x + 12)
L = x² + x² + 5x - 7x + 2 - 9 + 12
L = 2x² - 2x + 5 (feet)
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Answers & Comments
Problem:
1.) Solve for a simplified polynomial expression that represents the total length of the south side of the field.
Solution:
Length of the South field
L = (5x + 2) + (x² - 9) + (x² - 7x + 12)
L = x² + x² + 5x - 7x + 2 - 9 + 12
L = 2x² - 2x + 5 (feet)
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