Answer:
[tex]6g -86h[/tex]
Step-by-step explanation:
[tex]10( 7g-9h) -4h - 8(-h + 8g)[/tex]
1) First, distribute the 10 and the -8 to the terms in the parentheses next to them. Remember, don't distribute to the -4h since it is not in the parentheses.
[tex]10( 7g - 9h) -4h - 8(-h + 8g)\\70g - 90h-4h+8h-64g\\[/tex]
2) Next, combine like terms. (Any terms that have the same variables must be added together by their coefficients.)
[tex]70g - 90h-4h+8h-64g\\\\70g-64g-90h-4h+8h\\6g-86h[/tex]
There are no more like terms to combine, so [tex]6g -86h[/tex] is the answer.
