First, distribute the 2 across the terms in the parentheses:
2(4) - 2(3a) - (a^2 - 6a + 9)
Next, simplify the expression further:
8 - 6a - a^2 + 6a - 9
Combine like terms:
So, the simplified expression is -a^2 - 1.
First, distribute the 2 across the terms in the parentheses:
2(4) - 2(3a) - (a^2 - 6a + 9)
Next, simplify the expression further:
8 - 6a - a^2 + 6a - 9
Combine like terms:
a^2 - 1So, the simplified expression is -a^2 - 1.