Find the zeros of the following quadratic polynomial: $5x^2 + 8x + 3$.

Obtain the quadratic polynomial in the standard form with the following coefficients: $a=1, b=-10, c=25$.

The zeroes of the quadratic polynomial $x^{2}+99x+127$ are

For $p(x) = x^{2} - 2x - 3$,$p(3) = \ldots \ldots \ldots . .$

Find the zeroes of the following polynomial by the factorisation method and verify the relationship between the zeroes and the coefficients of the polynomial:
$2s^{2} - (1 + 2\sqrt{2})s + \sqrt{2}$

Find the zeros of $p(x)=x^{3}-4 x$ and show them graphically.