Answer:
- 28
Step-by-step explanation:
[tex]2 {x}^{2} - 4 {y}^{2} [/tex]
By putting the value of x = 2 and y = -3 then,
[tex] = ( 2 \times {2}^{2}) - (4 \times {( - 3)}^{2} )[/tex]
[tex] = (2 \times 4) - (4 \times 9)[/tex]
[tex] = 8 - 36[/tex]
= - 28 (Ans)
