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Find the roots of the equation using the Quadratic Formula
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$\sqrt{x}+\sqrt{x+7}=7$
Learn how to solve equations problems step by step online. Find the roots of x^1/2+(x+7)^1/2=7. Find the roots of the equation using the Quadratic Formula. We need to isolate the dependent variable , we can do that by simultaneously subtracting \sqrt{x+7} from both sides of the equation. Removing the variable's exponent raising both sides of the equation to the power of 2. Expand \left(7-\sqrt{x+7}\right)^{2}.