SOLUTION: Find all real values of x such that f(x)=0 f(x)=49x^2-9

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Question 703996: Find all real values of x such that f(x)=0
f(x)=49x^2-9

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Hint:

f(x)=49x^2-9

0 = 49x^2-9

49x^2-9 = 0

(7x+3)(7x-3) = 0

I'll let you finish