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nignag [31]
2 years ago
8

Pls help with the following:

itle="9x {}^{2} - 4 = 0" alt="9x {}^{2} - 4 = 0" align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
mario62 [17]2 years ago
7 0

Answer:

x = ± \frac{2}{3}

Step-by-step explanation:

9x² - 4 = 0 ( add 4 to both sides )

9x² = 4 ( divide both sides by 9 )

x² = \frac{4}{9} ( take the square root of both sides )

x = ± \sqrt{\frac{4}{9} } = ± \frac{\sqrt{4} }{\sqrt{9} } = ± \frac{2}{3}

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