SOLUTION: x2 - 4/9 = 0

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Question 176327: x2 - 4/9 = 0
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2-4%2F9=0 Start with the given equation.


9%28x%5E2-4%2Fcross%289%29%29=9%280%29 Multiply both sides by the LCD 9 to clear any fractions.


9x%5E2-4=0 Distribute and multiply.


%283x%2B2%29%283x-2%29=0 Factor the left side (by using the difference of squares formula)



Now set each factor equal to zero:


3x%2B2=0 or 3x-2=0



x=-2%2F3 or x=2%2F3 Now solve for x in each case


So the answers are

x=-2%2F3 or x=2%2F3