Question

If A=x2 - x2 + x - 1, B = 2(x2+1), C = 1+ x + x2 + x3 then find
the value of A + B + C
O 2x3 + 2x2 + 2x + 2
O 2x3 + 2x2 + 2x + 1
O x3 + 2x2 + x + 5
None of these​

Answer 1

Answer:

None of these all are incorrect