SOLUTION: solve the equation 121 x^2-4=0

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Question 132162: solve the equation 121 x^2-4=0
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

Start with the given equation

Factor the left side by using the difference of squares method



Now set each factor equal to zero:
or

or Now solve for x in each case


So our answer is
or


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