Answer:
x=13
Step-by-step explanation:
1. divide both sides by 3
2. simplify: 4x-7=45
3. add 7 to both sides
4. 4x=52
5. divide both sides by 4
6. x=13
Answer:
16
Step-by-step explanation:
Hope this helps sorry if I'm wrong
The vertex of <span>y = 7x2 + 14x + 4</span> is at
(-1,-3) (see attachment)