Question

what is he first step in solving the equation (*x*-6)2=9

Answer 1

Remember Please Excuse My Dear Aunt Sally
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Multiplication
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Addition
Subtraction

Answer 2

$(x-6)^2=9\\\\first\ step-square\ root\\\\\sqrt{(x-6)^2}=\sqrt9\\\\next\ step:\\\\|x-6|=3\\\\solution:\\\\x-6=3\ \vee\ x-6=-3\\\\x=3+6\ \vee\ x=-3+6\\\\x=9\ \vee\ x=3$