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Find the roots of the polynomial $\left(x+y\right)^2-9$ by putting it in the form of an equation and then set it equal to zero
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$\left(x+y\right)^2-9=0$
Learn how to solve problems step by step online. Find the roots of (x+y)^2-9. Find the roots of the polynomial \left(x+y\right)^2-9 by putting it in the form of an equation and then set it equal to zero. We need to isolate the dependent variable , we can do that by simultaneously subtracting -9 from both sides of the equation. Removing the variable's exponent. Cancel exponents 2 and \frac{1}{2}.