Question

please answer the question​

Answer 1

1. a. 5x³-2x²+x+8

b. -x^5 +6x³-3x²+2x = x^5-6x³+3x²-2x

2. π/2, 7, -2/5π

3. -2/7

4. (3x-2)(2x³+3x²)

= 6x⁴+9x³-4x³-6x²= 6x⁴+5x³-6x²

degree of polynomial is 4.