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Given that f(x)= 9x^2-180, find x
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Given that f(x)= 9x^2-180, find x

User Lawree
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9x^(2) - 180 = 0 9x^(2) = 180 Divide both sides by 9 x^(2) = 20 Square root both sides, and you get x = √(20) --\ \textgreater \ simplified: 2 √(5)
User Piero Alberto
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