SOLUTION: I did this problem but I still do not have the answer.
Find all solutions to the equation.
5b2 + 20b = 0
b = 0 or b = −4
only b = 4
b = 0 or b
Algebra.Com
Question 969322: I did this problem but I still do not have the answer.
Find all solutions to the equation.
5b2 + 20b = 0
b = 0 or b = −4
only b = 4
b = 0 or b = 4
b = 0, b = 4 or b = −4
only b = −4
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Whatever gave you the idea that 
?
^2\ +\ 20(4)\ =\ 80\ +\ 80\ =\ 160\ \not =\ 0)
So 4 is most certainly not an element of the solution set to the equation
Divide both sides by 5
\ =\ 0)
So 
or 
Check your work
^2\ +\ 20(0)\ =\ 0\ +\ 0\ =\ 0)
^2\ +\ 20(-4)\ =\ 80\ -\ 80\ =\ 0)
John
My calculator said it, I believe it, that settles it
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