Question

What is the simplified expression for 3 a squared + 9 a b + 5 minus 4 a squared minus 4 a b + 3? Negative a squared + 5 a b + 8 Negative a squared minus 13 a b + 5 + 3 a squared + 5 a b + 8 a squared minus 13 a b + 5 + 3

Answer 1

The answer is option 1.

Explanation:

In order to simplify the expressions, you have to collect like terms :

3a² + 9ab + 5 - 4a² - 4ab + 3

= (3a² - 4a²) + (9ab - 4ab) + (5 + 3)

= -a² + 5ab + 8