Question Factor the expression (2s−1)2 Evaluate 4s2−4s+1Solution (2s−1)2 Show Solution Find the roots s=21Alternative Form s=0.5 Evaluate 4s2−4s+1To find the roots of the expression,set the expression equal to 0 4s2−4s+1=0Use a2−2ab+b2=(a−b)2 to factor the expression (2s−1)2=0Simplify the expression 2s−1=0Move the constant to the right-hand side and change its sign 2s=0+1Removing 0 doesn't change the value,so remove it from the expression 2s=1Divide both sides 22s=21Solution s=21Alternative Form s=0.5 Show Solution
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