Respuesta :

Answer:

[tex]-3h^{2} -4h-1[/tex]

Step-by-step explanation:

Remove the  parentheses and rewrite the expression as

[tex]7h^{2} -7h+5-10h^{2}+3h-6[/tex]

Then we combine like terms

[tex](7h^{2} -10h^{2} )+(-7h+3h)+(5-6)[/tex]

Simplify

[tex]-3h^{2} -4h-1[/tex]