Verified answer

4(3y + 1)² - 27 = (4y + 9)(4y - 9) + 2(5y + 2)(2y - 7)

4(9y² + 6y + 1) = 16y² - 81 + 2(10y² - 35y + 4y - 14)

36y² + 24y + 4 = 16y² - 81 + 2(10y² - 31y - 14)

36y² + 24y - 16y²- 20y² + 62y = - 81 - 28 - 4

88y = - 113