Answer:
x1 =-3+3 and x2=-3-3
Explanation:
x² + 6x-9 = 0
-6± / 2
-6± /2
so
x1 = -6+ /2
x1 =-3+3
and
x2 = -6- /2
x2=-3-3
1.6m questions
2.0m answers