5(2x+8)-5x=5(5x+6)
Distribute
10x+40-5x=25x+30
combine like terms
5x+40=25x+30
-5x -5x
subtract 5x from both sides
40=20x+30
-30 -30
subtract 30 from both sides
10=20x
÷20 ÷20
divide both sides by 20
1/2=x is your final answer
Answer:
Correct Option is d 
Step-by-step explanation:
For completing the square our equation should be in the form of 
In the given equation we have:

Correct Option is d 
Answer:
This is a "strategic" guess
Step-by-step explanation:
I think it is -0.1
Answer:
-∞ < x < ∞
Explanation:
x³ is the inverse of ∛x and x³ has range of all real numbers and is one to one function, so its inverse will have domain of all real numbers.