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Find the roots of the polynomial $\left(3x+4\right)\left(3x+9\right)$ by putting it in the form of an equation and then set it equal to zero
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$\left(3x+4\right)\left(3x+9\right)=0$
Learn how to solve equations problems step by step online. Find the roots of (3x+4)(3x+9). Find the roots of the polynomial \left(3x+4\right)\left(3x+9\right) by putting it in the form of an equation and then set it equal to zero. 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 4 from both sides of the equation.