Respuesta :

x = 4    y = - 3

Substitute x for 4 and y for - 3

x² - 4y
    2

4² - 4 *(- 3)
       2

16 - ( - 12 )
       2

16 + 12
     2

28  = 14
 2

Solution: 14
eu99li
[tex] \frac{x^2-4y}{2} = \frac{4^2-4*(-3)}{2} = \frac{16+12}{2} = \frac{28}{2} =14[/tex]