Question

(iv) 6-x (x2 + 2) = 0 it is quadratic or not​

Answer 1

Answer:

Not it is not a quadratic polynomial it is a cubic polynomial.

6-x(x²+2)=0

6-x³+2x=0

-x³+2x+6=0

Here the degree is 3 so it can't be quadratic polynomial