X 7 2 y 8 2 dfrac 4 9 July 8, 2019 16 32 64 128 Frac 8x^ 7 y^ 7 2x^ 6 y^ 4 Frac 4x^ 4 y^ 7 2x^ 8 y^ 7 2x8y74x4y7 Frac 4xy^ 8 x^ 8 y^ 7 x8y74xy8
