12 5 x 45 July 8, 2019 16 32 64 128 3 5x − 12 )= 5 x 45 12 x 2 45 5 45 5 x 12 9 450 x 12 x 5 4500 x 12 x 5 7 45 12 5 x 1 7 12 x 5 12 × 45 12 4×5
