X 4 13x 2 18x 5 0 July 8, 2019 16 32 64 128 4(5x - 4) = 13(x - 1) + 18 x(x + 5) - (x - 2)(x + 8) 9 13 x - 4 4 x - 13 x + 29 x - 14 x
