Write the coefficients of $x^{2}$ in each of the following polynomials
$x^{3}+27$
$1$
$0$
$3$
$4$
Find the value of the polynomial $x^{2}-7 x+12$ at.
$x=\frac{1}{2}$
Expand
$(x+5 y)(x-5 y)$
$4 x^{2}+11 x-3$ is a $\ldots \ldots . .$ polynomial.
Evaluate $66 \times 74$ without directly multiplying
Write whether the following statements are True or False. Justify your answer.
$\frac{6 \sqrt{x}+x^{\frac{3}{2}}}{\sqrt{x}}$ is a polynomial, $x \neq 0$
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