8y 2 2y 4 ) ( 5y 2 7y July 8, 2019 16 32 64 128 8y 2 2y 4 )+( 5y 2 7y 8y = 2(5 − y) 4 8y+5 2=2 4y-9 2 2y-4 8 4y+1 2
