Algebra 1HardFactoring ShareFactoring · Hard problemFactor: x2+21x+104x^2 + 21x + 104x2+21x+104.A(x−8)(x−13)(x - 8)(x - 13)(x−8)(x−13)B(x+8)(x+13)(x + 8)(x + 13)(x+8)(x+13)C(x+21)(x+1)(x + 21)(x + 1)(x+21)(x+1)D(x+8)(x−13)(x + 8)(x - 13)(x+8)(x−13)Check Show answer Walk through it step by step Practice more like this Review this concept