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We need to isolate the dependent variable $x$, we can do that by simultaneously subtracting $-36$ from both sides of the equation
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$\left(x+4\right)^2=36$
Learn how to solve quadratic equations problems step by step online. Solve the quadratic equation (x+4)^2-36=0. We need to isolate the dependent variable x, we can do that by simultaneously subtracting -36 from both sides of the equation. Removing the variable's exponent. Cancel exponents 2 and \frac{1}{2}. The square root of 36 is .