Question

Multiply and verify the result by taking x=1 y=2 and z=3 6x²(z²-y²

Answer 1

$6 {x}^{2} ( {z}^{2} - {y}^{2} ) \\ sub \: the \: values \: in \: equation \\ 6 \times {1}^{2} ( {3}^{2} - {2}^{2} ) \\ 6(9 - 4) \\ 6 \times 5 \\ 30$