Question Factor the expression (3x−y)(3x+y)(9x2+y2) Evaluate 81x4−y4Rewrite the expression in exponential form (9x2)2−(y2)2Use a2−b2=(a−b)(a+b) to factor the expression (9x2−y2)(9x2+y2)Solution More Steps Evaluate 9x2−y2Rewrite the expression in exponential form (3x)2−y2Use a2−b2=(a−b)(a+b) to factor the expression (3x−y)(3x+y) (3x−y)(3x+y)(9x2+y2) Show Solution