Question

Find a quadratic polynomial, if the zeroes of it are $2$ and $-1$ respectively.

Answer 1

Since roots of the equation are given to be $2$ and $-1$, the quadratic polynomial will be:

$p\left(x\right):(x-2)(x+1)=0$

$\Rightarrow p\left(x\right):x^2-x-2=0$