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Find the roots of the equation using the Quadratic Formula
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$\left(x-2\right)\left(x+1\right)=0$
Learn how to solve equations problems step by step online. Find the roots of (x-2)(x+1). Find the roots of the equation using the Quadratic Formula. Break the equation in 2 factors and set each equal to zero, to obtain. Solve the equation (1). We need to isolate the dependent variable , we can do that by simultaneously subtracting -2 from both sides of the equation.