Find the value of the polynomial $x^{2}-7 x+12$ at.
$x=1$
$2$
$4$
$6$
$8$
Degree of the polynomial $4 x^{4}+0 x^{3}+0 x^{5}+5 x+7$ is
Write whether the statement are True or False. Justify your answer.
Zero of a polynomial is always $0.$
If $x+1$ is a factor of the polynomial $2 x^{2}+k x,$ then the value of $k$ is
Factorise
$\frac{4 x^{2}}{9}-\frac{1}{25}$
$49 x^{2}-42 x+9$
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