Do the opposite of the problem
Answer:
96 i think
Step-by-step explanation:
i did 480/5
Step-by-step explanation:
x² + 4x - 9
= (x + 2)² - 13
a = 2, b = -13.
The final answer would be 39/19 it doesn't simplify any more and if it did the 19 would be reduced as well as the 39