Question

$27 {x}^{2} - 9 = 0 \: then \: x \: = how \: much$


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Answer 1

Answer:

27x² - 9 = 0

27x² = 9

x² = 9/27

x = √1/3

x = 1/√3

Answer 2

Step-by-step explanation:

$\huge\blue{\underline{\underline{\bf question}}}$

$27 {x}^{2} - 9 = 0$

$\huge\blue{\underline{\underline{\bf answer}}}$

$\leadsto 27 {x}^{2} - 9 = 0 \\ \\ \leadsto 27 {x}^{2} = 9 \\ \\ \leadsto {x}^{2} = \frac{9}{27} \\ \\ \leadsto {x}^{2} = \frac{1}{3} \\ \\ \leadsto \huge \boxed{x = \frac{1}{ \sqrt{3} } }$