Factor completely 4x 2 − 81 July 8, 2019 16 32 64 128 Factor completely 4x 2 81 Factor 4x 2 81 Factor completely 4x 2 36x 81 Factor 4x 2 81 over the set of complex numbers Factor completely 4x 2 36xy 81y 2 Factor completely 4 x squared minus 81 4x 2 − 81
