X 4 9x 2 20 July 8, 2019 16 32 64 128 X 4 9x 2 20 0 X 4 9x 3 20x 2 Y 4 - x 2 9x 20 X 2 4x 4 x 2 9x 20 )= 1 5x 2 x 4 ≤ 9x 20 Factor x 4 9x 2 20 Solve x 4 9x 2 20 0 X 4 4x 3 9x 2 20x 22 X 4 2x3 9x2 9x 20 2x 2 1 x 4 9x 2 20 X 2 9x 20 mein x 4 se bhag dijiye
