the espression 6x2 gives the surface area of cube find the surface area if ×=2m
we have that
surface area of cube is
[tex]SA=6x^2[/tex]If x=2 m
substitute
[tex]\begin{gathered} SA=6(2)^2 \\ SA=6\cdot4 \\ SA=24\text{ m\textasciicircum{}2} \end{gathered}[/tex]