Answer:
7 - 3
Step-by-step explanation:
Given
3 + 
- 
← substitute x = 9
= 3 + 
- 
= 3 + 4 - 
= 7 - 3
Step-by-step explanation:
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
The equation doesn't make any sense. Does that parenthesis mean an equal sign? Also, none of the answer choices applies to the actual answer. To find the x, you need to add 39 with 146...
Answer:
The first one that A is - 1, - 2
Step-by-step explanation:
You. Just use - 2 +1 =-1
And also - 5 +3
Mostly I will just use one point to count it is more easy
