1 9 10 x 3 1 2 July 8, 2019 16 32 64 128 4 9 10 x 3 1 2 1 2 x 3 1 x 5 10 9 1 2x 3 1 x 5 10 9 by factorization method 1 2x 3 1 x 5 10 9 solve 1 3 4 x 9 1 2 x 10 lvl 1.9 e 1+9= 10
