2y 7 3y 8 July 8, 2019 16 32 64 128 Expand and simplify 2y 3y 7 )- 8y 2y 3y 7 )- 8y 21x 2y 7 7x 3y 8 2y 3 9y 3y 7 8y X 2y 7 x 3y =- 8 A 2 x 2y 7 5x 3y 8 2y 8 3y 7 4y 6 2 2y-7 и 3y-3 2y-3 7
