nereim1021 nereim1021 26-08-2020 Mathematics contestada Multiply (3x)(x2 + 4x - 15). (3 x3 + 12 x2 - 45 ) 3 x + 12 x - 45 x3) (4 x3 + 3 x + 12 x2 - 15 ) (3 x4 + 12 x3 - 45 )
