3 2x 5 7 2 9 3 July 8, 2019 16 32 64 128 2x 3 (- 4x 5 )= 7 2 3x 9 2x 7 (- 3 x 2 1 9 )( 3x 5 18 7 2x 3 )+ 2 x 1 )- 5 x 9 )= 3x 10 −2(5 − 3x) = 7x + 3 2x-3 5 7-3x 1 (3x - 7) ^ 2 = (5x - 9) ^ 2
