Dfrac 1 4 ( x 5 2 1 3 July 8, 2019 16 32 64 128 Frac x 2 - frac 1 5 = frac x 3 + frac 1 4 Frac 1 5 Frac 1 4 Frac 1 x-1 + frac 1 x+2 = frac 5 4 Frac x 2 +5 1