Answer:
12 units?
Step-by-step explanation:
The answer is 17 units
substract.
eg. 5 before 17 = 17-5
so 5 before 17= 12
same for others
a=2
b=-7
c=-15
-(-7)+-sq root (-7)²-4(2)(-15) / 2(2)
7 +- sq root 169 / 4
7+- 13 / 4
7+13 / 4, 7-13 / 4
x=5 x=-3/2
213
