Question Simplify the expression y2−12y+36 Evaluate (y−6)(y−6)Multiply the terms (y−6)2Use (a−b)2=a2−2ab+b2 to expand the expression y2−2y×6+62Solution y2−12y+36 Show Solution Find the roots y=6 Evaluate (y−6)(y−6)To find the roots of the expression,set the expression equal to 0 (y−6)(y−6)=0Multiply the terms (y−6)2=0The only way a power can be 0 is when the base equals 0 y−6=0Move the constant to the right-hand side and change its sign y=0+6Solution y=6 Show Solution
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