Subtract parenthesis six r raised to the third power plus eight r parenthesis minus parenthesis r squared minus five r plus six.

Question

I really dont understand this need the answer! Please!

Answer 1

-(6r^3 + 8r) - (r^2 - 5r + 6)

 

= -6r^3 - 8r - r^2 + 5r - 6

 

= -6r^3 - r^2 - 3r - 6