Expand
$\left(\frac{2 x}{3}+\frac{3 y}{4}\right)^{2}$
$\frac{4}{9} x^{2}+x y+\frac{9}{16} y^{2}$
State whether each of the following statements is true or false
In polynomial $5 x^{3}-3 x^{2}+11 x-14,$ the coefficient of $x^{3}$ is $3.$
If $x+2$ is a factor of $x^{3}+a x^{2}-x+30,$ find the value of $a$.
Factorise $: x^{3}-x^{2}-17 x-15$
If $x^{2}-8 x-20=(x+a)(x+b),$ then $a b=\ldots \ldots \ldots$
For the polynomial $p(x)=x^{2}-7 x+12$ $p(2)=\ldots \ldots . .$
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