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Multiply $2$ times $-3$
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$\left(x-3\right)^2=x^2-6x+3^2x^2-6x+9$
Learn how to solve problems step by step online. Solve the quadratic equation (x-3)^2=x^2+2x*-33^2x^2-6x+9. Multiply 2 times -3. Combining like terms -6x and -6x. Calculate the power 3^2. Combining like terms x^2 and 9x^2.