6y2 9y 4 7y2 5y 1 July 8, 2019 16 32 64 128 6y 2 9y 4 7y 2 5y 1 6y2 − 9y 4 − − 7y2 5y 1 6xy - 4y + 6 - 9x 5 6 - 7y = - 4(2y - 0 9) + 2 4 (6/(y2–9) + 1/(3–y)) • (y2+6y+9)/5