Question Factor the expression (2x−1)2 Evaluate 4x2−4x+1Solution (2x−1)2 Show Solution Find the roots x=21Alternative Form x=0.5 Evaluate 4x2−4x+1To find the roots of the expression,set the expression equal to 0 4x2−4x+1=0Use a2−2ab+b2=(a−b)2 to factor the expression (2x−1)2=0Simplify the expression 2x−1=0Move the constant to the right-hand side and change its sign 2x=0+1Removing 0 doesn't change the value,so remove it from the expression 2x=1Divide both sides 22x=21Solution x=21Alternative Form x=0.5 Show Solution
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