Matilda have the following equation:
[tex](2x-y)^2=4x^2-4xy+y^2[/tex]
To proof:
[tex]18^2=324[/tex]
So, the values of x and y are:
[tex]\begin{gathered} (2x-y)^2=18^2 \\ so,\text{ } \\ 2x-y=18,o \\ 2x-y=-18 \end{gathered}[/tex]
In the options available , the correct is x=10 and y =2 becuase:
[tex]2\cdot10-2=18[/tex]
