what is he first step in solving the equation (x-6)2=9
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\((x-6)^2=9\\\\first\ step-square\ root\\\\\sqrt{(x-6)^2}=\sqrt9\\\ ext\ step:\\\\|x-6|=3\\\\solution:\\\\x-6=3\ \vee\ x-6=-3\\\\x=3+6\ \vee\ x=-3+6\\\\x=9\ \vee\ x=3\)