Question

Replace the ? with a polynomial to make a true statement:

2x ^-2 + x ^-1-3 = x ^-2 (?)

Answer 1

LHS = 2x^-2 + x^-1 - 3

RHS = x^-2 (2 + x - 3x^2)

Answer 2

so (?) is (2 + x - 3x^2)