Write the following cubes in expanded form
$(4 x-3 y)^{3}$
$64 x^{3}-27 y^{3}-144 x^{2} y+108 x y^{2}$
Factorise
$25 x^{2}+25 x+6$
The following expressions are polynomials? Justify your answer:
$8$
If $x+1$ is a factor of $a x^{3}+x^{2}-2 x+4 a-9,$ find the value of $a$.
Which of the following expressions is a polynomial, state the reason ? If an expression is polynomial, state whether it is a polynomial in one variable or not
$x^{3}+3 x^{2} y+3 x y^{2}+y^{3}$
Factorise the following quadratic polynomials by splitting the middle term
$x^{2}+10 x+16$
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