Verify whether $3$ and $7$ are zeros of the polynomial $x^{2}-5 x-14$ or not.
$3$ is not a zero of the polynomial, $7$ is the zero of the polynomial.
Find the value of $m$ so that $2 x-1$ be a factor of $8 x^{4}+4 x^{3}-16 x^{2}+10 x+m.$
Expand $:(3 x+7 y)(3 x-7 y)$
Expand
$(2 a+3 b)^{2}$
$\left(\frac{x}{2}-\frac{2}{5}\right)^{2}$
Without actual division, prove that $2 x^{4}-5 x^{3}+2 x^{2}-x+2$ is divisible by $x^{2}-3 x+2$
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