Question

Add the given polynomial equation 1)x³-2x²-9 and 5x³+2x+9​

Answer 1

Answer:

6x^3-2x^2+2x

Step-by-step explanation:

(x^3-2x^2-9)+(5x^3+2x+9)

x^3-2x^2-9+5x^3+2x+9

6x^3-2x^2+2x

Answer 2

Answer:

x=0 this is the answer I think and in question the second eqn is may be wrong