Resolve into factors: 17-32y- 4y2

Dear student, -4y² - 32y +17 = - (4y² + 32y - 17) = -(4y² + 34y - 2y - 17) = -[ 2y(2y + 17) - 1(2y + 17)] = -(2y + 17)(2y - 1) = (2y + 17)(1 - 2y). Regards