A quadratic equation has to have x^2....it does not necessarily have to have a constant.
7x^2 + 14x = 0
x^2 + 3x - 5 = 0
x^2 - x = 3x + 7
these are quadratic
Answer: -20 + 15c
Step-by-step explanation:
5(-4 + 3c)
-20 + 15c
1. 137.5%
2. 66.7%
3.48%
4.51.87
