Respuesta :
Answer:
-27
Step-by-step explanation:
- [tex]2(3)^2-5(3)^2[/tex]
- [tex](2)(9) - (5)(9)[/tex]
- [tex]18 - 45[/tex]
- [tex]-27[/tex]
2(3)^2 - 5(3)^2
We put (3)^2 out, we have :
2(3)^2 - 5(3)^2 = (3)^2 (2-5) = (-3)9 = -27.
Recheck : 2(3)^2 = 2 x 9 = 18
5(3)^2 = 5 x 9 = 45
18-45 = -27