How do you evaluate #(2x ^ { 9} - 3x ^ { 8} + 7x ^ { 7} + 7) - ( 4x ^ { 9} - 7x ^ { 8} + 4x ^ {7 } - 2)#?
1 Answer
Nov 22, 2017
See a solution process below:
Explanation:
First, remove all of the terms from parenthesis. Be careful to handle the signs of each individual term correctly:
Next, group like terms:
Now, combine like terms: