4 y 5 )- 8y July 8, 2019 16 32 64 128 4 y 5 )- 8y simplified (- 5y 4 y 5 )(- 8y 5 2y 6 Y 4 3y 4 )= 22 2 5 8y 4 5 y (4 5-y)×5 8=8 7
