3x 3 9x 7 )( x 2 2x 1 July 8, 2019 16 32 64 128 $ left 3x 3 9x 7 right ) left x 2 2x 1 right )=$ 2x 4 3x 3 9x 2 14x 7 divided by x 2 4 3 x 3 = 9 (2x ^ 2 + 7x + 3)/(x ^ 2 - 9) = 1 2 7+3x=9(x-2 1)
