SOLUTION: This is a through back question that I was curious about.
-3x/x = x/-3
I came up with x^2 -9x = 0
Am I right? If not please explain.
Algebra.Com
Question 194428: This is a through back question that I was curious about.
-3x/x = x/-3
I came up with x^2 -9x = 0
Am I right? If not please explain.
Found 2 solutions by stanbon, jim_thompson5910:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
-3x/x = x/-3
Cross-multiply to get:
--------
x^2 = + 9x
Then x^2-9x = 0
Factor:
x(x-9) = 0
x = 0 or x = 9
=================
Cheers,
Stan H.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation. Take note that we must make the restriction (to avoid division by zero)
Reduce.
Multiply both sides by 3.
Multiply
Rearrange the equation
Divide both sides by -1 to isolate x.
So the solution is
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