Final Answer
$y=4+\sqrt{21-\left(x+3\right)^2},\:y=4-\sqrt{21-\left(x+3\right)^2}$
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Step-by-step Solution
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1
We need to isolate the dependent variable , we can do that by simultaneously subtracting $\left(x+3\right)^2$ from both sides of the equation
$\left(y-4\right)^2=21-\left(x+3\right)^2$
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$\left(y-4\right)^2=21-\left(x+3\right)^2$
Learn how to solve problems step by step online. Solve the equation (x+3)^2+(y-4)^2=21. We need to isolate the dependent variable , we can do that by simultaneously subtracting \left(x+3\right)^2 from both sides of the equation. Removing the variable's exponent. Cancel exponents 2 and \frac{1}{2}. We need to isolate the dependent variable , we can do that by simultaneously subtracting -4 from both sides of the equation.
Final Answer
$y=4+\sqrt{21-\left(x+3\right)^2},\:y=4-\sqrt{21-\left(x+3\right)^2}$