2 2 8x 10 July 8, 2019 16 32 64 128 6x 2 2 8x 10 4x 2 x 2 8x 10 X 2 y 2 8x 10y 8 0 X 2 y 2 8x 10y 5 0 X 2 y 2 8x 10y 8 2 (- 8x 2 )= 108 2^x + 8^x = 130 2 8 x 10