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Marta_Voda [28]
3 years ago
13

Solve the following equation or inequality for the unknown variable. Round answer to two decimal places if necessary.

Mathematics
1 answer:
Sonbull [250]3 years ago
3 0

Answer:

x = 2.7

Step-by-step explanation:

The given equation is :

(3x)^2-10=56

We need to solve it for x.

It can be rewrite as follows:

9x^2-10=56

Adding 10 to both sides,

9x^2-10+10=56+10\\\\9x^2=66\\\\x=\sqrt{\dfrac{66}{9}}\\\\x=2.70

So, the value of x is equal to 2.7.

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