2x 8x 16 0 July 8, 2019 16 32 64 128 2x 2 8x 16 0 2x 2 8x 16 0 complete the square X 4 2x 3 8x 16 0 X 2 4 2x 2 8x 16 0 2x 3 4x 2 8x 16 0 X 3 2x 2 8x 16 0 Solve 2x 2 8x 16 0 2^x + 8^x = 130