Question Factor the expression −(5−x)2 Evaluate 10x−25−x2Solution −(5−x)2 Show Solution Find the roots x=5 Evaluate 10x−25−x2To find the roots of the expression,set the expression equal to 0 10x−25−x2=0Use a2−2ab+b2=(a−b)2 to factor the expression −(5−x)2=0Divide the terms (5−x)2=0Simplify the expression 5−x=0Move the constant to the right-hand side and change its sign −x=0−5Removing 0 doesn't change the value,so remove it from the expression −x=−5Solution x=5 Show Solution
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