X^2-2=x
x^2-2+x=0
x^2+x-2=0
(x+2)(x-1)=0
Therefore, x+2=0 or x-1=0
Hence, x=-2 or x=1
Solutions= -2 or 1
Answer:
5.5 hours
Step-by-step explanation:
Removed sugar is 3/8 and it is 5.81-3.8=2.01 kg
so 3/8 is 2.01 kg
full mass of sugar is 2.01:3*8=5.6 kg
so the mass of container is 5.81-5.6=0.21 kg
Answer: the mass of <span>empty container is 0.21kg</span>
