Question Factor the expression (8x−9)2 Evaluate 64x2−144x+81Solution (8x−9)2 Show Solution Find the roots x=89Alternative Form x=1.125 Evaluate 64x2−144x+81To find the roots of the expression,set the expression equal to 0 64x2−144x+81=0Use a2−2ab+b2=(a−b)2 to factor the expression (8x−9)2=0Simplify the expression 8x−9=0Move the constant to the right-hand side and change its sign 8x=0+9Removing 0 doesn't change the value,so remove it from the expression 8x=9Divide both sides 88x=89Solution x=89Alternative Form x=1.125 Show Solution
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