Question Simplify the expression x2−12x+36 Evaluate (x−6)2Use (a−b)2=a2−2ab+b2 to expand the expression x2−2x×6+62Solution x2−12x+36 Show Solution Find the roots x=6 Evaluate (x−6)2To find the roots of the expression,set the expression equal to 0 (x−6)2=0The only way a power can be 0 is when the base equals 0 x−6=0Move the constant to the right-hand side and change its sign x=0+6Solution x=6 Show Solution
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