3 2y 5 ) 7 y 2 July 8, 2019 16 32 64 128 3 2y 5 )+ 7 y 2 Expand and simplify 3 2y 5 )+ 7 y 2 X 3 )( 2y 5 )=( 2x 7 )( y 1 Y 6 4 2y 5 7 y 3 )/ 20 2 5 3 2y )=- 7 4 2 y 3 7 2y 16 3y 5 y 2y 2 7y 3 2 5 2y 5 2 3 5 7y 2 1 2y 3 1 4 1 7y 5 2y 3 7y 5 2y 3 7y 5 5 2y 22 3 - 7y 5y - 3 2(y 3 5) 7 3 6(2y 1) 2 2y-7 и 3y-3