Q. Find the product $\left(x+y-z\right)\left(x^2+y^2+z^2-xy+yz+zx\right)$.

Q. Evaluate:${\left(103\right)}^3$

Q. Expand
$(3x+2{)}^3$

Q. Expand :
$(5a-3b{)}^3$

Q. Factorise $a-b-a^2+b^2$.

Q. Factorize :
$2\sqrt{2}{a}^3+16\sqrt{2}{b}^3+c^3-12abc$.

Q. If $a+b+c=9$ and $a^2+b^2+c^2=35$, find $a^3+b^3+c^3-3abc$.

Q. Expand
${\left(3a+\frac{1}{4b}\right)}^3$

Q. Evaluate: $(99{)}^3$

Q. Factorise: $3ax-6ay-8by+4bx$

Q. Factorise : $25x^2+y^2+9z^2-10xy-6yz+30xz$.

Q. Factorise : $$ 4(a+b)- 6(a+b)^2 $$

Q. Factorise : $$ x(a-5) +y(5 -a) $$

Q. Factorise : $$ 8(3a -2b)^2- 10(3a -2b) $$

Q. Factorise : $$ 2x(p^2+ q^2) +4y (p^2 +q^2 ) $$

Q. Factorise : $x^3+2x^2+5x+10=0$

Q. Factorise : $$ 2a(x+y)- 3b(x+y) $$

Q. Factorise : $27a^3{b}^3-45a^4{b}^2$

Q. Factorise : $9x^2+12xy$

Q. Factorise : $18x^{2}y-24xyz$