Question

Pls help with the following:

`9x {}^(2) - 4 = 0`
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Answer 1

x = ±
`(2)/(3)`

Explanation:

9x² - 4 = 0 ( add 4 to both sides )

9x² = 4 ( divide both sides by 9 )

x² =
`(4)/(9)` ( take the square root of both sides )

x = ±
`\sqrt{(4)/(9) }` = ±
`(√(4) )/(√(9) )` = ±
`(2)/(3)`