SOLUTION: solve 49x^2-4

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Question 55475: solve
49x^2-4
Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
49x^2-4=0 [Set the equation equal to zero]
49x^2=4
sqrt49x^2=sqrt4
7x=2
x=2/7
.
Check by plugging (x=2/7) back into the original equation.
49(2/7)^2-4=0
4-4=0
0=0 [checks out]