Question Simplify the expression m2−6m+9 Evaluate (m−3)(m−3)Multiply the terms (m−3)2Use (a−b)2=a2−2ab+b2 to expand the expression m2−2m×3+32Solution m2−6m+9 Show Solution Find the roots m=3 Evaluate (m−3)(m−3)To find the roots of the expression,set the expression equal to 0 (m−3)(m−3)=0Multiply the terms (m−3)2=0The only way a power can be 0 is when the base equals 0 m−3=0Move the constant to the right-hand side and change its sign m=0+3Solution m=3 Show Solution
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