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Removing the variable's exponent
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$\sqrt{\left(x+2\right)^2}=\pm \sqrt{16}$
Learn how to solve problems step by step online. Solve the quadratic equation (x+2)^2=16. Removing the variable's exponent. Cancel exponents 2 and \frac{1}{2}. The square root of 16 is . We need to isolate the dependent variable , we can do that by simultaneously subtracting 2 from both sides of the equation.