Question Simplify the expression 121−132x+36x2 Evaluate (11−6x)2Use (a−b)2=a2−2ab+b2 to expand the expression 112−2×11×6x+(6x)2Solution 121−132x+36x2 Show Solution Find the roots x=611Alternative Form x=1.83˙ Evaluate (11−6x)2To find the roots of the expression,set the expression equal to 0 (11−6x)2=0The only way a power can be 0 is when the base equals 0 11−6x=0Move the constant to the right-hand side and change its sign −6x=0−11Removing 0 doesn't change the value,so remove it from the expression −6x=−11Change the signs on both sides of the equation 6x=11Divide both sides 66x=611Solution x=611Alternative Form x=1.83˙ Show Solution
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