No, John is incorrect.
<h3>
Correct work shown:</h3>
![\sf x^2 - 6x - 7 = 0](https://tex.z-dn.net/?f=%5Csf%20x%5E2%20-%206x%20-%207%20%3D%200)
![\sf x^2 - 6x = 7](https://tex.z-dn.net/?f=%5Csf%20x%5E2%20-%206x%20%3D%207)
![\sf x^2 - 6x + 9= 7 + 9](https://tex.z-dn.net/?f=%5Csf%20x%5E2%20-%206x%20%20%2B%209%3D%207%20%2B%209)
![\sf (x-3)^2= 16](https://tex.z-dn.net/?f=%5Csf%20%28x-3%29%5E2%3D%2016)
![\sf x-3=\pm \sqrt{16}](https://tex.z-dn.net/?f=%5Csf%20x-3%3D%5Cpm%20%5Csqrt%7B16%7D)
![\sf x-3= \pm 4](https://tex.z-dn.net/?f=%5Csf%20x-3%3D%20%5Cpm%204)
![\sf x= + 4 + 3 \quad or \quad x = -4 + 3](https://tex.z-dn.net/?f=%5Csf%20x%3D%20%2B%204%20%2B%203%20%5Cquad%20or%20%5Cquad%20x%20%3D%20-4%20%2B%203)
![\sf x= 7 \quad or \quad x = -1](https://tex.z-dn.net/?f=%5Csf%20x%3D%207%20%5Cquad%20or%20%5Cquad%20x%20%3D%20-1)
The correct answer should be x = 7 or x = -1
Answer:
y=2x+5 is the answer ALSO CAN WE TALK ABOUT THE FACT THAT MOO975 IS ON THREE QUESTIONS AT THE SAME TIME
Step-by-step explanation:
High blood pressure, high cholesterol, and smoking.
Answer:
2
Step-by-step explanation:
1+1=2 and 2=2