Question

Which of the following is a polynomial.
x²
X2+1
Х
2x2-3x+1
3x3 + x2 + x-2-7
3x2 – 3x +1​

Answer 1

Answer:

The answer is below⬇

Step-by-step explanation:

$x2 + 1 \\ 2 \times 2 - 3x + 1 \\ 3 \times 3 + x2 + x - 2 - 7 \\ 3 \times 2 - 3x + 1$