Answer:
X=125/64
Step-by-step explanation:
x^2+4 x-5=0
x^2+4x=5
4x^3=5
x^3=5/4
x=5^3/4^3
x=125/64
c
A is True
B is True
D is true
1/4 is 25 percent so it is still 40.00