-36 one of many possible answers.
0.4 is 4/10 in decimal form.
Answer: x=−2 or x=8
Step-by-step explanation:
Step 1: Factor left side of equation.
2(x+2)(x−8)=0
Step 2: Set factors equal to 0.
x+2=0 or x−8=0
x=−2 or x=8
Answer:
-157.87
Step-by-step explanation:
1) the rules are:
and

2) according to the rules above:
