This is not a quadratic equation.
It is a cubic equation.
X1 = 4
X2 = -5
X3 = -4
The Additive inverse only works when you add a to its oppositie leaving a sum of 0
For example, says 5 represents a.
5 + b = 0
B, is 5's additive inverse: -5
The reciprocal of 9/10, however, is 10/9
Answer:
The answer is "0.3206".
Step-by-step explanation:

Testing statistic:
Calculating the P-value Approach

B is the answer because if u subtact both x and y