Question Simplify the expression 36x2−60x+25 Evaluate (6x−5)2Use (a−b)2=a2−2ab+b2 to expand the expression (6x)2−2×6x×5+52Solution 36x2−60x+25 Show Solution Find the roots x=65Alternative Form x=0.83˙ Evaluate (6x−5)2To find the roots of the expression,set the expression equal to 0 (6x−5)2=0The only way a power can be 0 is when the base equals 0 6x−5=0Move the constant to the right-hand side and change its sign 6x=0+5Removing 0 doesn't change the value,so remove it from the expression 6x=5Divide both sides 66x=65Solution x=65Alternative Form x=0.83˙ Show Solution
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