Recognize Difference of Squares: Step Title: Recognize the Difference of SquaresConcise Step Description: Identify that the expression is a difference of squares, which can be factored into the product of two binomials.Step Calculation: Recognize that 36x2 is a perfect square (6x)2 and 49 is a perfect square 72.Step Output: The expression can be written as (6x)2−72.
Apply Factoring Formula: Step Title: Apply the Difference of Squares FormulaConcise Step Description: Use the difference of squares factoring formula, which is a2−b2=(a+b)(a−b).Step Calculation: Apply the formula to the expression (6x)2−72 to get (6x+7)(6x−7).Step Output: Factored form is (6x+7)(6x−7).