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inn [45]
4 years ago
10

What are the solution(s) to the quadratic equation 9x2 = 4?

Mathematics
2 answers:
Advocard [28]4 years ago
6 0

Answer:

x=\frac{2}{3}\\x=-\frac{2}{3}

Step-by-step explanation:

To solve the problem shown, you can apply the proccedure shown below:

- Divide both sides of the equation by 9, as following:

\frac{9x^{2}}{9}=\frac{4}{9}\\\\x^{2}=\frac{4}{9}

- Apply square root to  both sides of the equation, then you obtain the solution shown below:

\sqrt{x^2}=\sqrt{\frac{4}{9}}\\\\x=\frac{2}{3}\\x=-\frac{2}{3}

kumpel [21]4 years ago
5 0

Answer:

x = 2/3   and x = -2/3

Step-by-step explanation:

We have given equation:

9x² = 4

We have to find the solution of this equation.

multiplying 1/9 to both sides we get,

x² = 4/9

Taking square root on both sides we get,

x =  √4/9

x = ±2/3  is the values of x.

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