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4(7y² + 6) - -5(4y² - 2y + 8)
28y² + 24 - (- 20y² ) + 10y - 40
28y² + 24 + 20y² + 10y - 40
28y² + 20y² + 24 - 40 + 10y
48y² - 16 + 10y