Question Simplify the expression 112−87×x+x2 Evaluate (47−x)2Use (a−b)2=a2−2ab+b2 to expand the expression (47)2−2×47×x+x2Solution 112−87×x+x2 Show Solution Find the roots x=47Alternative Form x≈10.583005 Evaluate (47−x)2To find the roots of the expression,set the expression equal to 0 (47−x)2=0The only way a power can be 0 is when the base equals 0 47−x=0Move the constant to the right-hand side and change its sign −x=0−47Removing 0 doesn't change the value,so remove it from the expression −x=−47Solution x=47Alternative Form x≈10.583005 Show Solution
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