Algebra 1HardFactoring ShareFactoring · Hard problemFactor: x2+20x+99x^2 + 20x + 99x2+20x+99.A(x+9)(x+11)(x + 9)(x + 11)(x+9)(x+11)B(x−9)(x−11)(x - 9)(x - 11)(x−9)(x−11)C(x+20)(x+1)(x + 20)(x + 1)(x+20)(x+1)D(x+9)(x−11)(x + 9)(x - 11)(x+9)(x−11)Check Show answer Walk through it step by step Practice more like this Review this concept