The common factor "5" can be cancelled, so the new equation is 3/1 * 2/1, which is just 2*3.
Simplified, this equals 6.
576 cm you were times 2304×4 after doing all the multiplication you would get 576 cm
That would be c 4x^3-x^2+3x+13
9! or 9×8×7×6×5×4×3×2×1 which is 362,880