4x 7 )( 3x 2 5x 1 July 8, 2019 16 32 64 128 3x 2 4x 7 x 2 5x 1 2x 2 Multiply 4x 7 )( 3x 2 5x 1 2x 2 4x 7 3x 2 5x 1 7 4x 3 3x 2 )+( 5x 2 10 2x 3 4x 2 5x 7 )+( 3x 2 8x 12 5x 7 3x 2 )= 6 4x 1 5x 7 )( 3x 2 )-( 4x 5 )( 6x 1 2 4x 9 7 5x 3x 10 5x 7 3x 2 6 4x 1 x bilangan bulat 5 x 7 = 35 4(2-x) 7-5x 15-4x 3
