Answer:
Maybe the Answer is 504
Step-by-step explanation:
Because 8x7 = 56x9 = 504
I- please ask a question. This is not a question
X^3 - x^2 - 2x = 0
x ( x^2 - x - 2 ) = 0
x (x-2) (x+1) = 0
x = 0
x-2 = 0 --> x = 2
x+1 = 0 --> x = -1
x = 0, x = 2, x = -1