Question Simplify the expression x2−3x+49 Evaluate (x−23)2Use (a−b)2=a2−2ab+b2 to expand the expression x2−2x×23+(23)2Solution x2−3x+49 Show Solution Factor the expression 41(2x−3)2 Evaluate (x−23)2Evaluate x2−3x+49Solution 41(2x−3)2 Show Solution Find the roots x=23Alternative Form x=1.5 Evaluate (x−23)2To find the roots of the expression,set the expression equal to 0 (x−23)2=0The only way a power can be 0 is when the base equals 0 x−23=0Move the constant to the right-hand side and change its sign x=0+23Solution x=23Alternative Form x=1.5 Show Solution