First Algebraic Expression	Second Algebraic Expression	Product of the Expression	Value of the product
$x^2-3x+5$	$5x+9$	$5x^3-6x^2-2x+45$	putting $x=1$, we get $42$
$a+b$	$a+b+2$		putting $a=1$ and $b=0$, we get_____

Find the product of algebraic expressions by successive multiplication.

$\left(x^5+1\right), \left(3-x^4\right), \left(4+x^3+x^6\right)$

Find the product of algebraic expressions by successive multiplication.

$\left(2a^3-3b^5\right), \left(2a^3+3b^5\right), \left(2a^4-3a^2{b}^2+b^4\right)$

Find the product of algebraic expressions by successive multiplication.

$\left(ax+by\right), \left(ax-by\right), \left(a^4{x}^4+a^2{b}^2{x}^2{y}^2+b^4{y}^4\right)$

Find the product of algebraic expressions by successive multiplication.

$\left(a+b+c\right), \left(a-b+c\right), \left(a+b-c\right)$

Find the product of algebraic expressions by successive multiplication.

$\left(\frac{2p^2}{q^2}+\frac{5p^2}{q^2}\right), \left(\frac{2p^2}{q^2}-\frac{5p^2}{q^2}\right)$

Find the product of algebraic expressions by successive multiplication.

$\left(\frac{x^2}{y^2}+\frac{y^2}{z^2}\right), \left(\frac{y^2}{z^2}+\frac{z^2}{x^2}\right), \left(\frac{z^2}{x^2}+\frac{x^2}{y^2}\right)$

The simplified value of $\left(x+y\right)\left(x^2-xy+y^2\right)+\left(x-y\right)\left(x^2+xy+y^2\right)$ is $k{x}^3$. Then the value of $k$ is?

Simplify: $a^2\left(b^2-c^2\right)+b^2\left(c^2-a^2\right)+c^2\left(a^2-b^2\right)$