Answer:
x^2 -2x = 4x+1
2x^2 +12x = 0
9x^2 +6x -3=0
Step-by-step explanation:
A quadratic equation has the highest power of x being squared
x^2 -2x = 4x+1
2x^2 +12x = 0
9x^2 +6x -3=0
These are all quadratic equations
13/18
here's a picture of how I normally do it if you want but I dont know if you'll understand what I'm writing because it's really messy haha
Answer:
22.5 liters
Step-by-step explanation:
The answer to 392,196=4,508