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$(2 x+3 y+5)^{2}$
$4 x^{2}+9 y^{2}+25+12 x y+30 y+20 x$
$x+1$ is a factor of the polynomial
$(x+5 y)(x-5 y)$
Find $p(0), p(1), p(-2)$ for the following polynomials:
$p(y)=(y+2)(y-2)$
Write the coefficient of $x^{2}$ in the following polynomials
$7 x^{3}-11 x+24$
Find the following products:
$\left(\frac{x}{2}+2 y\right)\left(\frac{x^{2}}{4}-x y+4 y^{2}\right)$
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