Identify Expression: Step Title: Identify the ExpressionConcise Step Description: Recognize the given expression as a difference of squares.Calculation: The expression is 1−49x2.Math Error Check:
Apply Formula: Step Title: Apply the Difference of Squares FormulaConcise Step Description: Use the difference of squares formula, which is a2−b2=(a+b)(a−b), to factor the expression.Calculation: Here, a2=1 and b2=49x2, so a=1 and b=7x. The factored form is (1+7x)(1−7x).Math Error Check: