$4 x^{2}-20 x+25=(\ldots \ldots \ldots)^{2}$
$x+5$
$x-5$
$2 x-5$
$2 x+5$
State whether each of the following statements is true or false
$x^{2}-8 x+12=(x-6)(x-2)$
Classify the following as linear, quadratic or cubic polynomial
$x^{2}-9 x+14$
Write the degree of the following polynomials
$11-2 y^{2}$
With the help of the remainder theorem. examine whether $x+2$ is a factor of the polynomial $x^{3}+9 x^{2}+26 x+24$ or not.
Factorise $: x^{3}-x^{2}-17 x-15$