ANSWER
A. 73
EXPLANATION
The given expression is
[tex](2{x})^{2} - 3{y}^{2} [/tex]
We substitute x=5 and y=3 to obtain:
[tex](2 \times 5)^{2} - 3{(3)}^{2} = {10}^{2} - 3 \times 9[/tex]
This simplifies to,
[tex] = 100 - 27[/tex]
[tex] = 73[/tex]
The correct choice is A.
