The value of $249^{2}-248^{2}$ is
$1^{2}$
$477$
$487$
$497$
Write the degree of each of the following polynomials
$5 x^{2}+12 x+4$
By using the factor theorem, show that $(x+2)$ is a factor of the polynomial $6 x^{3}+19 x^{2}+16 x+4$ and then factorise $6 x^{3}+19 x^{2}+16 x+4$
Factorise the following quadratic polynomials by splitting the middle term
$x^{2}+14 x+33$
Factorise
$9 x^{2}-21 x y+10 y^{2}$
Classify the following as linear, quadratic or cubic polynomial
$4 x^{2}-49$