The answer is the option A, which is: A. x-7=x²+2x-4
The explanation is shown below:
To solve this problem you must apply the proccedure shown below:
1. You have the following system equations given in the problem above:
<span>y=x-7
y=x²+2x-4
2. Therefore, when you substitute for y in the bottom equation, you obtain:
</span>x-7=x²+2x-4
I am also not sure, because I also asked this question.
answer is B. detrjrajaetkterjaejq
3(2)-18=-12
6-18 = -12
-12 = -12
Answer:
x=−6±3√5
Step-by-step explanation: