## Final Answer

## Step-by-step Solution

Problem to solve:

Specify the solving method

We need to isolate the dependent variable $x$, we can do that by subtracting $-10$ from both sides of the equation

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$2\left(x^2+9\right)=10$

Learn how to solve quadratic equations problems step by step online. Solve the quadratic equation 2(x^2+9)-10=0. We need to isolate the dependent variable x, we can do that by subtracting -10 from both sides of the equation. Divide both sides of the equation by 2. We need to isolate the dependent variable x, we can do that by subtracting 9 from both sides of the equation. Removing the variable's exponent.