Question

what should be subtracted from 3x^3 - 1 to get x^3​

Answer 1

Step-by-step explanation:

Assume that y should be subtracted from 3x3 - 1 to get x3.

ATQ

3x3 - 1 - y = x3

y = 3x3 - 1 - x3

y = 2x3 - 1

Hence 2x3 - 1 should be subtracted from 3x3 - 1 to get x3