Answer:
x = 0 or x =
Step-by-step explanation:
1. 4x (x^3 + 4) = 0
2. 4x = 0 or x^3 + 4 = 0
3. x = 0 or x =
4(³+4)
3/20
0.15 = 15*100/1*100
= 15/100
= 3/20
7:yes
8:no
9:yes
10:sorry
