Respuesta :

1.

[tex]g+h=-7+3=\boxed{-4}[/tex]

2.

[tex]g-h=-7-3=\boxed{-10}[/tex]

3.

[tex]h-g=3-(-7)=3+7=\boxed{10}[/tex]

4.

[tex]gh=-7\cdot3=\boxed{-21}[/tex]

5.

[tex]g+h^2=-7+3^2=-7+9=\boxed{2}[/tex]

6.

[tex]g^2-h=(-7)^2-3=49-3=\boxed{46}[/tex]
Relax